Home / 157,552,711.30-236,572,369.35-85,889,095.30

Finding the Fourth Proportional to 157,552,711.30, 236,572,369.35 and 85,889,095.30

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Solution

The fourth proportional to 157,552,711.30, 236,572,369.35 and 85,889,095.30 is: 128,966,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,552,711.30 : 236,572,369.35 = 85,889,095.30 : x
  2. Step 2: Convert to fraction form
    157,552,711.30/236,572,369.35 = 85,889,095.30/x
  3. Step 3: Cross multiply
    157,552,711.30x = 236,572,369.35 × 85,889,095.30
  4. Step 4: Simplify right side
    157,552,711.30x = 20,318,986,776,448,948
  5. Step 5: Solve for x
    x = 20,318,986,776,448,948/157,552,711.30
  6. Step 6: Final answer
    x = 128,966,278.07

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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.