Home / 42,569,812.80-63,854,719.20-39,285,230.40

Finding the Fourth Proportional to 42,569,812.80, 63,854,719.20 and 39,285,230.40

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Solution

The fourth proportional to 42,569,812.80, 63,854,719.20 and 39,285,230.40 is: 58,927,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,569,812.80 : 63,854,719.20 = 39,285,230.40 : x
  2. Step 2: Convert to fraction form
    42,569,812.80/63,854,719.20 = 39,285,230.40/x
  3. Step 3: Cross multiply
    42,569,812.80x = 63,854,719.20 × 39,285,230.40
  4. Step 4: Simplify right side
    42,569,812.80x = 2,508,547,355,899,303.50
  5. Step 5: Solve for x
    x = 2,508,547,355,899,303.50/42,569,812.80
  6. Step 6: Final answer
    x = 58,927,845.60

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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.