Home / 96,768,019.30-145,152,028.95-42,915,331.30

Finding the Fourth Proportional to 96,768,019.30, 145,152,028.95 and 42,915,331.30

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Solution

The fourth proportional to 96,768,019.30, 145,152,028.95 and 42,915,331.30 is: 64,372,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,019.30 : 145,152,028.95 = 42,915,331.30 : x
  2. Step 2: Convert to fraction form
    96,768,019.30/145,152,028.95 = 42,915,331.30/x
  3. Step 3: Cross multiply
    96,768,019.30x = 145,152,028.95 × 42,915,331.30
  4. Step 4: Simplify right side
    96,768,019.30x = 6,229,247,411,256,440
  5. Step 5: Solve for x
    x = 6,229,247,411,256,440/96,768,019.30
  6. Step 6: Final answer
    x = 64,372,996.95

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Similar ratio
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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.