Home / 153,009,016.30-229,513,524.45-91,787,013.10

Finding the Fourth Proportional to 153,009,016.30, 229,513,524.45 and 91,787,013.10

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Solution

The fourth proportional to 153,009,016.30, 229,513,524.45 and 91,787,013.10 is: 137,680,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,009,016.30 : 229,513,524.45 = 91,787,013.10 : x
  2. Step 2: Convert to fraction form
    153,009,016.30/229,513,524.45 = 91,787,013.10/x
  3. Step 3: Cross multiply
    153,009,016.30x = 229,513,524.45 × 91,787,013.10
  4. Step 4: Simplify right side
    153,009,016.30x = 21,066,360,875,319,316
  5. Step 5: Solve for x
    x = 21,066,360,875,319,316/153,009,016.30
  6. Step 6: Final answer
    x = 137,680,519.65

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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.