Home / 157,356,381.52-236,016,415.26-42,331,884.40

Finding the Fourth Proportional to 157,356,381.52, 236,016,415.26 and 42,331,884.40

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Solution

The fourth proportional to 157,356,381.52, 236,016,415.26 and 42,331,884.40 is: 63,492,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,356,381.52 : 236,016,415.26 = 42,331,884.40 : x
  2. Step 2: Convert to fraction form
    157,356,381.52/236,016,415.26 = 42,331,884.40/x
  3. Step 3: Cross multiply
    157,356,381.52x = 236,016,415.26 × 42,331,884.40
  4. Step 4: Simplify right side
    157,356,381.52x = 9,991,019,607,288,716
  5. Step 5: Solve for x
    x = 9,991,019,607,288,716/157,356,381.52
  6. Step 6: Final answer
    x = 63,492,942.01

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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.