Home / 145,390,935.24-217,700,091.18-87,805,300.68

Finding the Fourth Proportional to 145,390,935.24, 217,700,091.18 and 87,805,300.68

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Solution

The fourth proportional to 145,390,935.24, 217,700,091.18 and 87,805,300.68 is: 131,474,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,390,935.24 : 217,700,091.18 = 87,805,300.68 : x
  2. Step 2: Convert to fraction form
    145,390,935.24/217,700,091.18 = 87,805,300.68/x
  3. Step 3: Cross multiply
    145,390,935.24x = 217,700,091.18 × 87,805,300.68
  4. Step 4: Simplify right side
    145,390,935.24x = 19,115,221,964,123,320
  5. Step 5: Solve for x
    x = 19,115,221,964,123,320/145,390,935.24
  6. Step 6: Final answer
    x = 131,474,647.53

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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.