Home / 71,508,547.20-107,262,820.80-65,909,827.20

Finding the Fourth Proportional to 71,508,547.20, 107,262,820.80 and 65,909,827.20

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Solution

The fourth proportional to 71,508,547.20, 107,262,820.80 and 65,909,827.20 is: 98,864,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,508,547.20 : 107,262,820.80 = 65,909,827.20 : x
  2. Step 2: Convert to fraction form
    71,508,547.20/107,262,820.80 = 65,909,827.20/x
  3. Step 3: Cross multiply
    71,508,547.20x = 107,262,820.80 × 65,909,827.20
  4. Step 4: Simplify right side
    71,508,547.20x = 7,069,673,983,912,566
  5. Step 5: Solve for x
    x = 7,069,673,983,912,566/71,508,547.20
  6. Step 6: Final answer
    x = 98,864,740.80

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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.