Home / 67,147,421.80-100,721,132.70-62,045,588.20

Finding the Fourth Proportional to 67,147,421.80, 100,721,132.70 and 62,045,588.20

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Solution

The fourth proportional to 67,147,421.80, 100,721,132.70 and 62,045,588.20 is: 93,068,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147,421.80 : 100,721,132.70 = 62,045,588.20 : x
  2. Step 2: Convert to fraction form
    67,147,421.80/100,721,132.70 = 62,045,588.20/x
  3. Step 3: Cross multiply
    67,147,421.80x = 100,721,132.70 × 62,045,588.20
  4. Step 4: Simplify right side
    67,147,421.80x = 6,249,301,922,541,755
  5. Step 5: Solve for x
    x = 6,249,301,922,541,755/67,147,421.80
  6. Step 6: Final answer
    x = 93,068,382.30

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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.