Home / 157,731,122.61-236,385,193.35-122,758,464.35

Finding the Fourth Proportional to 157,731,122.61, 236,385,193.35 and 122,758,464.35

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Solution

The fourth proportional to 157,731,122.61, 236,385,193.35 and 122,758,464.35 is: 183,973,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,731,122.61 : 236,385,193.35 = 122,758,464.35 : x
  2. Step 2: Convert to fraction form
    157,731,122.61/236,385,193.35 = 122,758,464.35/x
  3. Step 3: Cross multiply
    157,731,122.61x = 236,385,193.35 × 122,758,464.35
  4. Step 4: Simplify right side
    157,731,122.61x = 29,018,283,329,411,800
  5. Step 5: Solve for x
    x = 29,018,283,329,411,800/157,731,122.61
  6. Step 6: Final answer
    x = 183,973,098.33

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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.