Home / 293,395,428.60-440,093,142.90-88,896,931.80

Finding the Fourth Proportional to 293,395,428.60, 440,093,142.90 and 88,896,931.80

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Solution

The fourth proportional to 293,395,428.60, 440,093,142.90 and 88,896,931.80 is: 133,345,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,428.60 : 440,093,142.90 = 88,896,931.80 : x
  2. Step 2: Convert to fraction form
    293,395,428.60/440,093,142.90 = 88,896,931.80/x
  3. Step 3: Cross multiply
    293,395,428.60x = 440,093,142.90 × 88,896,931.80
  4. Step 4: Simplify right side
    293,395,428.60x = 39,122,930,110,028,952
  5. Step 5: Solve for x
    x = 39,122,930,110,028,952/293,395,428.60
  6. Step 6: Final answer
    x = 133,345,397.70

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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.