Home / 124,518,718.32-186,891,420.10-66,275,294.28

Finding the Fourth Proportional to 124,518,718.32, 186,891,420.10 and 66,275,294.28

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Solution

The fourth proportional to 124,518,718.32, 186,891,420.10 and 66,275,294.28 is: 99,473,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518,718.32 : 186,891,420.10 = 66,275,294.28 : x
  2. Step 2: Convert to fraction form
    124,518,718.32/186,891,420.10 = 66,275,294.28/x
  3. Step 3: Cross multiply
    124,518,718.32x = 186,891,420.10 × 66,275,294.28
  4. Step 4: Simplify right side
    124,518,718.32x = 12,386,283,865,534,606
  5. Step 5: Solve for x
    x = 12,386,283,865,534,606/124,518,718.32
  6. Step 6: Final answer
    x = 99,473,268.22

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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.