Home / 99,020,007.12-136,661,820.20-59,329,104.60

Finding the Fourth Proportional to 99,020,007.12, 136,661,820.20 and 59,329,104.60

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Solution

The fourth proportional to 99,020,007.12, 136,661,820.20 and 59,329,104.60 is: 81,882,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,020,007.12 : 136,661,820.20 = 59,329,104.60 : x
  2. Step 2: Convert to fraction form
    99,020,007.12/136,661,820.20 = 59,329,104.60/x
  3. Step 3: Cross multiply
    99,020,007.12x = 136,661,820.20 × 59,329,104.60
  4. Step 4: Simplify right side
    99,020,007.12x = 8,108,023,425,472,192
  5. Step 5: Solve for x
    x = 8,108,023,425,472,192/99,020,007.12
  6. Step 6: Final answer
    x = 81,882,678.68

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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.