Home / 157,224,256.20-235,836,384.30-99,970,345.80

Finding the Fourth Proportional to 157,224,256.20, 235,836,384.30 and 99,970,345.80

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Solution

The fourth proportional to 157,224,256.20, 235,836,384.30 and 99,970,345.80 is: 149,955,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,224,256.20 : 235,836,384.30 = 99,970,345.80 : x
  2. Step 2: Convert to fraction form
    157,224,256.20/235,836,384.30 = 99,970,345.80/x
  3. Step 3: Cross multiply
    157,224,256.20x = 235,836,384.30 × 99,970,345.80
  4. Step 4: Simplify right side
    157,224,256.20x = 23,576,644,890,692,692
  5. Step 5: Solve for x
    x = 23,576,644,890,692,692/157,224,256.20
  6. Step 6: Final answer
    x = 149,955,518.70

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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.