Home / 99,825,646.32-137,735,772.84-57,984,853.50

Finding the Fourth Proportional to 99,825,646.32, 137,735,772.84 and 57,984,853.50

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Solution

The fourth proportional to 99,825,646.32, 137,735,772.84 and 57,984,853.50 is: 80,005,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,825,646.32 : 137,735,772.84 = 57,984,853.50 : x
  2. Step 2: Convert to fraction form
    99,825,646.32/137,735,772.84 = 57,984,853.50/x
  3. Step 3: Cross multiply
    99,825,646.32x = 137,735,772.84 × 57,984,853.50
  4. Step 4: Simplify right side
    99,825,646.32x = 7,986,588,609,836,679
  5. Step 5: Solve for x
    x = 7,986,588,609,836,679/99,825,646.32
  6. Step 6: Final answer
    x = 80,005,378.42

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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.