Home / 157,731,100.57-236,385,160.26-122,758,442.31

Finding the Fourth Proportional to 157,731,100.57, 236,385,160.26 and 122,758,442.31

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Solution

The fourth proportional to 157,731,100.57, 236,385,160.26 and 122,758,442.31 is: 183,973,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,731,100.57 : 236,385,160.26 = 122,758,442.31 : x
  2. Step 2: Convert to fraction form
    157,731,100.57/236,385,160.26 = 122,758,442.31/x
  3. Step 3: Cross multiply
    157,731,100.57x = 236,385,160.26 × 122,758,442.31
  4. Step 4: Simplify right side
    157,731,100.57x = 29,018,274,058,506,060
  5. Step 5: Solve for x
    x = 29,018,274,058,506,060/157,731,100.57
  6. Step 6: Final answer
    x = 183,973,065.26

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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.