Home / 142,411,625.70-213,617,438.55-88,663,913.70

Finding the Fourth Proportional to 142,411,625.70, 213,617,438.55 and 88,663,913.70

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Solution

The fourth proportional to 142,411,625.70, 213,617,438.55 and 88,663,913.70 is: 132,995,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,411,625.70 : 213,617,438.55 = 88,663,913.70 : x
  2. Step 2: Convert to fraction form
    142,411,625.70/213,617,438.55 = 88,663,913.70/x
  3. Step 3: Cross multiply
    142,411,625.70x = 213,617,438.55 × 88,663,913.70
  4. Step 4: Simplify right side
    142,411,625.70x = 18,940,158,136,412,256
  5. Step 5: Solve for x
    x = 18,940,158,136,412,256/142,411,625.70
  6. Step 6: Final answer
    x = 132,995,870.55

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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.