Home / 106,708,542.92-147,200,985.69-64,905,393.86

Finding the Fourth Proportional to 106,708,542.92, 147,200,985.69 and 64,905,393.86

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Solution

The fourth proportional to 106,708,542.92, 147,200,985.69 and 64,905,393.86 is: 89,534,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,708,542.92 : 147,200,985.69 = 64,905,393.86 : x
  2. Step 2: Convert to fraction form
    106,708,542.92/147,200,985.69 = 64,905,393.86/x
  3. Step 3: Cross multiply
    106,708,542.92x = 147,200,985.69 × 64,905,393.86
  4. Step 4: Simplify right side
    106,708,542.92x = 9,554,137,952,053,668
  5. Step 5: Solve for x
    x = 9,554,137,952,053,668/106,708,542.92
  6. Step 6: Final answer
    x = 89,534,892.81

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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.