Home / 124,518,731.34-186,891,439.62-66,275,307.30

Finding the Fourth Proportional to 124,518,731.34, 186,891,439.62 and 66,275,307.30

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Solution

The fourth proportional to 124,518,731.34, 186,891,439.62 and 66,275,307.30 is: 99,473,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518,731.34 : 186,891,439.62 = 66,275,307.30 : x
  2. Step 2: Convert to fraction form
    124,518,731.34/186,891,439.62 = 66,275,307.30/x
  3. Step 3: Cross multiply
    124,518,731.34x = 186,891,439.62 × 66,275,307.30
  4. Step 4: Simplify right side
    124,518,731.34x = 12,386,287,592,554,894
  5. Step 5: Solve for x
    x = 12,386,287,592,554,894/124,518,731.34
  6. Step 6: Final answer
    x = 99,473,287.75

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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.