Home / 104,832,106.80-157,248,160.20-74,221,105.20

Finding the Fourth Proportional to 104,832,106.80, 157,248,160.20 and 74,221,105.20

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Solution

The fourth proportional to 104,832,106.80, 157,248,160.20 and 74,221,105.20 is: 111,331,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,832,106.80 : 157,248,160.20 = 74,221,105.20 : x
  2. Step 2: Convert to fraction form
    104,832,106.80/157,248,160.20 = 74,221,105.20/x
  3. Step 3: Cross multiply
    104,832,106.80x = 157,248,160.20 × 74,221,105.20
  4. Step 4: Simplify right side
    104,832,106.80x = 11,671,132,240,710,652
  5. Step 5: Solve for x
    x = 11,671,132,240,710,652/104,832,106.80
  6. Step 6: Final answer
    x = 111,331,657.80

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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.