Home / 157,553,002.30-236,572,805.85-85,889,386.30

Finding the Fourth Proportional to 157,553,002.30, 236,572,805.85 and 85,889,386.30

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Solution

The fourth proportional to 157,553,002.30, 236,572,805.85 and 85,889,386.30 is: 128,966,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,553,002.30 : 236,572,805.85 = 85,889,386.30 : x
  2. Step 2: Convert to fraction form
    157,553,002.30/236,572,805.85 = 85,889,386.30/x
  3. Step 3: Cross multiply
    157,553,002.30x = 236,572,805.85 × 85,889,386.30
  4. Step 4: Simplify right side
    157,553,002.30x = 20,319,093,109,725,548
  5. Step 5: Solve for x
    x = 20,319,093,109,725,548/157,553,002.30
  6. Step 6: Final answer
    x = 128,966,714.78

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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.