Home / 159,584,018.80-239,482,316.40-73,278,000.40

Finding the Fourth Proportional to 159,584,018.80, 239,482,316.40 and 73,278,000.40

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Solution

The fourth proportional to 159,584,018.80, 239,482,316.40 and 73,278,000.40 is: 109,965,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,584,018.80 : 239,482,316.40 = 73,278,000.40 : x
  2. Step 2: Convert to fraction form
    159,584,018.80/239,482,316.40 = 73,278,000.40/x
  3. Step 3: Cross multiply
    159,584,018.80x = 239,482,316.40 × 73,278,000.40
  4. Step 4: Simplify right side
    159,584,018.80x = 17,548,785,276,952,128
  5. Step 5: Solve for x
    x = 17,548,785,276,952,128/159,584,018.80
  6. Step 6: Final answer
    x = 109,965,806.16

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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.