Home / 99,973,348.74-137,929,807.55-58,148,535.61

Finding the Fourth Proportional to 99,973,348.74, 137,929,807.55 and 58,148,535.61

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Solution

The fourth proportional to 99,973,348.74, 137,929,807.55 and 58,148,535.61 is: 80,225,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,973,348.74 : 137,929,807.55 = 58,148,535.61 : x
  2. Step 2: Convert to fraction form
    99,973,348.74/137,929,807.55 = 58,148,535.61/x
  3. Step 3: Cross multiply
    99,973,348.74x = 137,929,807.55 × 58,148,535.61
  4. Step 4: Simplify right side
    99,973,348.74x = 8,020,416,325,366,054
  5. Step 5: Solve for x
    x = 8,020,416,325,366,054/99,973,348.74
  6. Step 6: Final answer
    x = 80,225,544.38

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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.