Home / 42,051,223.90-63,088,645.65-20,486,529.10

Finding the Fourth Proportional to 42,051,223.90, 63,088,645.65 and 20,486,529.10

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Solution

The fourth proportional to 42,051,223.90, 63,088,645.65 and 20,486,529.10 is: 30,735,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051,223.90 : 63,088,645.65 = 20,486,529.10 : x
  2. Step 2: Convert to fraction form
    42,051,223.90/63,088,645.65 = 20,486,529.10/x
  3. Step 3: Cross multiply
    42,051,223.90x = 63,088,645.65 × 20,486,529.10
  4. Step 4: Simplify right side
    42,051,223.90x = 1,292,467,374,988,313.50
  5. Step 5: Solve for x
    x = 1,292,467,374,988,313.50/42,051,223.90
  6. Step 6: Final answer
    x = 30,735,547.15

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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.