Home / 124,557,614.80-186,836,422.20-72,688,973.20

Finding the Fourth Proportional to 124,557,614.80, 186,836,422.20 and 72,688,973.20

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Solution

The fourth proportional to 124,557,614.80, 186,836,422.20 and 72,688,973.20 is: 109,033,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,557,614.80 : 186,836,422.20 = 72,688,973.20 : x
  2. Step 2: Convert to fraction form
    124,557,614.80/186,836,422.20 = 72,688,973.20/x
  3. Step 3: Cross multiply
    124,557,614.80x = 186,836,422.20 × 72,688,973.20
  4. Step 4: Simplify right side
    124,557,614.80x = 13,580,947,686,079,684
  5. Step 5: Solve for x
    x = 13,580,947,686,079,684/124,557,614.80
  6. Step 6: Final answer
    x = 109,033,459.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.