Home / 157,376,002.80-236,064,004.20-99,980,374.80

Finding the Fourth Proportional to 157,376,002.80, 236,064,004.20 and 99,980,374.80

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Solution

The fourth proportional to 157,376,002.80, 236,064,004.20 and 99,980,374.80 is: 149,970,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,376,002.80 : 236,064,004.20 = 99,980,374.80 : x
  2. Step 2: Convert to fraction form
    157,376,002.80/236,064,004.20 = 99,980,374.80/x
  3. Step 3: Cross multiply
    157,376,002.80x = 236,064,004.20 × 99,980,374.80
  4. Step 4: Simplify right side
    157,376,002.80x = 23,601,767,616,704,772
  5. Step 5: Solve for x
    x = 23,601,767,616,704,772/157,376,002.80
  6. Step 6: Final answer
    x = 149,970,562.20

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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.