Home / 124,518,730.48-186,891,438.31-66,275,306.46

Finding the Fourth Proportional to 124,518,730.48, 186,891,438.31 and 66,275,306.46

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Solution

The fourth proportional to 124,518,730.48, 186,891,438.31 and 66,275,306.46 is: 99,473,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518,730.48 : 186,891,438.31 = 66,275,306.46 : x
  2. Step 2: Convert to fraction form
    124,518,730.48/186,891,438.31 = 66,275,306.46/x
  3. Step 3: Cross multiply
    124,518,730.48x = 186,891,438.31 × 66,275,306.46
  4. Step 4: Simplify right side
    124,518,730.48x = 12,386,287,348,579,746
  5. Step 5: Solve for x
    x = 12,386,287,348,579,746/124,518,730.48
  6. Step 6: Final answer
    x = 99,473,286.48

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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.