Home / 65,707,833.27-90,688,192.26-39,602,385.19

Finding the Fourth Proportional to 65,707,833.27, 90,688,192.26 and 39,602,385.19

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Solution

The fourth proportional to 65,707,833.27, 90,688,192.26 and 39,602,385.19 is: 54,658,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,707,833.27 : 90,688,192.26 = 39,602,385.19 : x
  2. Step 2: Convert to fraction form
    65,707,833.27/90,688,192.26 = 39,602,385.19/x
  3. Step 3: Cross multiply
    65,707,833.27x = 90,688,192.26 × 39,602,385.19
  4. Step 4: Simplify right side
    65,707,833.27x = 3,591,468,721,611,856
  5. Step 5: Solve for x
    x = 3,591,468,721,611,856/65,707,833.27
  6. Step 6: Final answer
    x = 54,658,151.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.