Home / 42,768,019.70-64,152,029.55-17,227,358.90

Finding the Fourth Proportional to 42,768,019.70, 64,152,029.55 and 17,227,358.90

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Solution

The fourth proportional to 42,768,019.70, 64,152,029.55 and 17,227,358.90 is: 25,841,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,019.70 : 64,152,029.55 = 17,227,358.90 : x
  2. Step 2: Convert to fraction form
    42,768,019.70/64,152,029.55 = 17,227,358.90/x
  3. Step 3: Cross multiply
    42,768,019.70x = 64,152,029.55 × 17,227,358.90
  4. Step 4: Simplify right side
    42,768,019.70x = 1,105,170,037,221,255.38
  5. Step 5: Solve for x
    x = 1,105,170,037,221,255.38/42,768,019.70
  6. Step 6: Final answer
    x = 25,841,038.35

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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.