Home / 96,768,018.30-145,152,027.45-42,915,330.30

Finding the Fourth Proportional to 96,768,018.30, 145,152,027.45 and 42,915,330.30

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Solution

The fourth proportional to 96,768,018.30, 145,152,027.45 and 42,915,330.30 is: 64,372,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,018.30 : 145,152,027.45 = 42,915,330.30 : x
  2. Step 2: Convert to fraction form
    96,768,018.30/145,152,027.45 = 42,915,330.30/x
  3. Step 3: Cross multiply
    96,768,018.30x = 145,152,027.45 × 42,915,330.30
  4. Step 4: Simplify right side
    96,768,018.30x = 6,229,247,201,731,416
  5. Step 5: Solve for x
    x = 6,229,247,201,731,416/96,768,018.30
  6. Step 6: Final answer
    x = 64,372,995.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.