Home / 66,486,646.20-99,729,969.30-59,544,233.40

Finding the Fourth Proportional to 66,486,646.20, 99,729,969.30 and 59,544,233.40

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Solution

The fourth proportional to 66,486,646.20, 99,729,969.30 and 59,544,233.40 is: 89,316,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,486,646.20 : 99,729,969.30 = 59,544,233.40 : x
  2. Step 2: Convert to fraction form
    66,486,646.20/99,729,969.30 = 59,544,233.40/x
  3. Step 3: Cross multiply
    66,486,646.20x = 99,729,969.30 × 59,544,233.40
  4. Step 4: Simplify right side
    66,486,646.20x = 5,938,344,568,974,034
  5. Step 5: Solve for x
    x = 5,938,344,568,974,034/66,486,646.20
  6. Step 6: Final answer
    x = 89,316,350.10

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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.