Home / 152,536,588.48-210,499,612.50-86,469,549.04

Finding the Fourth Proportional to 152,536,588.48, 210,499,612.50 and 86,469,549.04

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Solution

The fourth proportional to 152,536,588.48, 210,499,612.50 and 86,469,549.04 is: 119,327,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,536,588.48 : 210,499,612.50 = 86,469,549.04 : x
  2. Step 2: Convert to fraction form
    152,536,588.48/210,499,612.50 = 86,469,549.04/x
  3. Step 3: Cross multiply
    152,536,588.48x = 210,499,612.50 × 86,469,549.04
  4. Step 4: Simplify right side
    152,536,588.48x = 18,201,806,565,969,748
  5. Step 5: Solve for x
    x = 18,201,806,565,969,748/152,536,588.48
  6. Step 6: Final answer
    x = 119,327,479.05

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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.