Home / 100,582,024.32-151,545,149.10-90,877,916.52

Finding the Fourth Proportional to 100,582,024.32, 151,545,149.10 and 90,877,916.52

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Solution

The fourth proportional to 100,582,024.32, 151,545,149.10 and 90,877,916.52 is: 136,924,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,582,024.32 : 151,545,149.10 = 90,877,916.52 : x
  2. Step 2: Convert to fraction form
    100,582,024.32/151,545,149.10 = 90,877,916.52/x
  3. Step 3: Cross multiply
    100,582,024.32x = 151,545,149.10 × 90,877,916.52
  4. Step 4: Simplify right side
    100,582,024.32x = 13,772,107,408,920,752
  5. Step 5: Solve for x
    x = 13,772,107,408,920,752/100,582,024.32
  6. Step 6: Final answer
    x = 136,924,142.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.