Home / 42,051,222.90-63,088,644.15-20,486,528.10

Finding the Fourth Proportional to 42,051,222.90, 63,088,644.15 and 20,486,528.10

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Solution

The fourth proportional to 42,051,222.90, 63,088,644.15 and 20,486,528.10 is: 30,735,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051,222.90 : 63,088,644.15 = 20,486,528.10 : x
  2. Step 2: Convert to fraction form
    42,051,222.90/63,088,644.15 = 20,486,528.10/x
  3. Step 3: Cross multiply
    42,051,222.90x = 63,088,644.15 × 20,486,528.10
  4. Step 4: Simplify right side
    42,051,222.90x = 1,292,467,281,169,875.75
  5. Step 5: Solve for x
    x = 1,292,467,281,169,875.75/42,051,222.90
  6. Step 6: Final answer
    x = 30,735,545.65

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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.