Home / 157,356,382.52-236,016,416.76-42,331,885.40

Finding the Fourth Proportional to 157,356,382.52, 236,016,416.76 and 42,331,885.40

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Solution

The fourth proportional to 157,356,382.52, 236,016,416.76 and 42,331,885.40 is: 63,492,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,356,382.52 : 236,016,416.76 = 42,331,885.40 : x
  2. Step 2: Convert to fraction form
    157,356,382.52/236,016,416.76 = 42,331,885.40/x
  3. Step 3: Cross multiply
    157,356,382.52x = 236,016,416.76 × 42,331,885.40
  4. Step 4: Simplify right side
    157,356,382.52x = 9,991,019,906,802,958
  5. Step 5: Solve for x
    x = 9,991,019,906,802,958/157,356,382.52
  6. Step 6: Final answer
    x = 63,492,943.51

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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.