Home / 99,708,588.07-137,620,809.79-58,468,766.47

Finding the Fourth Proportional to 99,708,588.07, 137,620,809.79 and 58,468,766.47

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Solution

The fourth proportional to 99,708,588.07, 137,620,809.79 and 58,468,766.47 is: 80,700,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,588.07 : 137,620,809.79 = 58,468,766.47 : x
  2. Step 2: Convert to fraction form
    99,708,588.07/137,620,809.79 = 58,468,766.47/x
  3. Step 3: Cross multiply
    99,708,588.07x = 137,620,809.79 × 58,468,766.47
  4. Step 4: Simplify right side
    99,708,588.07x = 8,046,518,989,636,873
  5. Step 5: Solve for x
    x = 8,046,518,989,636,873/99,708,588.07
  6. Step 6: Final answer
    x = 80,700,360.37

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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.