Home / 282,677,549.80-390,092,672.10-158,918,777.32

Finding the Fourth Proportional to 282,677,549.80, 390,092,672.10 and 158,918,777.32

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Solution

The fourth proportional to 282,677,549.80, 390,092,672.10 and 158,918,777.32 is: 219,306,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,677,549.80 : 390,092,672.10 = 158,918,777.32 : x
  2. Step 2: Convert to fraction form
    282,677,549.80/390,092,672.10 = 158,918,777.32/x
  3. Step 3: Cross multiply
    282,677,549.80x = 390,092,672.10 × 158,918,777.32
  4. Step 4: Simplify right side
    282,677,549.80x = 61,993,050,491,623,680
  5. Step 5: Solve for x
    x = 61,993,050,491,623,680/282,677,549.80
  6. Step 6: Final answer
    x = 219,306,593.45

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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.