Home / 233,989,549.43-322,901,633.10-129,565,378.74

Finding the Fourth Proportional to 233,989,549.43, 322,901,633.10 and 129,565,378.74

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Solution

The fourth proportional to 233,989,549.43, 322,901,633.10 and 129,565,378.74 is: 178,798,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,989,549.43 : 322,901,633.10 = 129,565,378.74 : x
  2. Step 2: Convert to fraction form
    233,989,549.43/322,901,633.10 = 129,565,378.74/x
  3. Step 3: Cross multiply
    233,989,549.43x = 322,901,633.10 × 129,565,378.74
  4. Step 4: Simplify right side
    233,989,549.43x = 41,836,872,387,718,192
  5. Step 5: Solve for x
    x = 41,836,872,387,718,192/233,989,549.43
  6. Step 6: Final answer
    x = 178,798,038.16

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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.