Home / 143,690,752.53-215,672,394.29-88,937,715.51

Finding the Fourth Proportional to 143,690,752.53, 215,672,394.29 and 88,937,715.51

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Solution

The fourth proportional to 143,690,752.53, 215,672,394.29 and 88,937,715.51 is: 133,490,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,690,752.53 : 215,672,394.29 = 88,937,715.51 : x
  2. Step 2: Convert to fraction form
    143,690,752.53/215,672,394.29 = 88,937,715.51/x
  3. Step 3: Cross multiply
    143,690,752.53x = 215,672,394.29 × 88,937,715.51
  4. Step 4: Simplify right side
    143,690,752.53x = 19,181,410,046,279,880
  5. Step 5: Solve for x
    x = 19,181,410,046,279,880/143,690,752.53
  6. Step 6: Final answer
    x = 133,490,915.10

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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.