Home / 99,732,473.71-137,643,509.69-57,908,212.81

Finding the Fourth Proportional to 99,732,473.71, 137,643,509.69 and 57,908,212.81

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Solution

The fourth proportional to 99,732,473.71, 137,643,509.69 and 57,908,212.81 is: 79,920,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732,473.71 : 137,643,509.69 = 57,908,212.81 : x
  2. Step 2: Convert to fraction form
    99,732,473.71/137,643,509.69 = 57,908,212.81/x
  3. Step 3: Cross multiply
    99,732,473.71x = 137,643,509.69 × 57,908,212.81
  4. Step 4: Simplify right side
    99,732,473.71x = 7,970,689,650,627,323
  5. Step 5: Solve for x
    x = 7,970,689,650,627,323/99,732,473.71
  6. Step 6: Final answer
    x = 79,920,705.41

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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.