Home / 172,905,280.40-238,611,169.14-94,587,151.88

Finding the Fourth Proportional to 172,905,280.40, 238,611,169.14 and 94,587,151.88

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Solution

The fourth proportional to 172,905,280.40, 238,611,169.14 and 94,587,151.88 is: 130,531,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,905,280.40 : 238,611,169.14 = 94,587,151.88 : x
  2. Step 2: Convert to fraction form
    172,905,280.40/238,611,169.14 = 94,587,151.88/x
  3. Step 3: Cross multiply
    172,905,280.40x = 238,611,169.14 × 94,587,151.88
  4. Step 4: Simplify right side
    172,905,280.40x = 22,569,550,895,709,548
  5. Step 5: Solve for x
    x = 22,569,550,895,709,548/172,905,280.40
  6. Step 6: Final answer
    x = 130,531,299.24

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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.