Home / 158,740,264.48-237,989,284.80-72,418,302.88

Finding the Fourth Proportional to 158,740,264.48, 237,989,284.80 and 72,418,302.88

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Solution

The fourth proportional to 158,740,264.48, 237,989,284.80 and 72,418,302.88 is: 108,572,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,740,264.48 : 237,989,284.80 = 72,418,302.88 : x
  2. Step 2: Convert to fraction form
    158,740,264.48/237,989,284.80 = 72,418,302.88/x
  3. Step 3: Cross multiply
    158,740,264.48x = 237,989,284.80 × 72,418,302.88
  4. Step 4: Simplify right side
    158,740,264.48x = 17,234,780,108,840,980
  5. Step 5: Solve for x
    x = 17,234,780,108,840,980/158,740,264.48
  6. Step 6: Final answer
    x = 108,572,202.30

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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.