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Finding the Fourth Proportional to 360,368,381.70, 540,552,572.55 and 130,372,964.10

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Solution

The fourth proportional to 360,368,381.70, 540,552,572.55 and 130,372,964.10 is: 195,559,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,368,381.70 : 540,552,572.55 = 130,372,964.10 : x
  2. Step 2: Convert to fraction form
    360,368,381.70/540,552,572.55 = 130,372,964.10/x
  3. Step 3: Cross multiply
    360,368,381.70x = 540,552,572.55 × 130,372,964.10
  4. Step 4: Simplify right side
    360,368,381.70x = 70,473,441,135,223,784
  5. Step 5: Solve for x
    x = 70,473,441,135,223,784/360,368,381.70
  6. Step 6: Final answer
    x = 195,559,446.15

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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.