Home / 90,884,006.10-136,326,009.15-52,525,775.70

Finding the Fourth Proportional to 90,884,006.10, 136,326,009.15 and 52,525,775.70

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Solution

The fourth proportional to 90,884,006.10, 136,326,009.15 and 52,525,775.70 is: 78,788,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,884,006.10 : 136,326,009.15 = 52,525,775.70 : x
  2. Step 2: Convert to fraction form
    90,884,006.10/136,326,009.15 = 52,525,775.70/x
  3. Step 3: Cross multiply
    90,884,006.10x = 136,326,009.15 × 52,525,775.70
  4. Step 4: Simplify right side
    90,884,006.10x = 7,160,629,378,689,048
  5. Step 5: Solve for x
    x = 7,160,629,378,689,048/90,884,006.10
  6. Step 6: Final answer
    x = 78,788,663.55

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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.