Home / 177,947,025.60-266,920,538.40-139,726,430.40

Finding the Fourth Proportional to 177,947,025.60, 266,920,538.40 and 139,726,430.40

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Solution

The fourth proportional to 177,947,025.60, 266,920,538.40 and 139,726,430.40 is: 209,589,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,947,025.60 : 266,920,538.40 = 139,726,430.40 : x
  2. Step 2: Convert to fraction form
    177,947,025.60/266,920,538.40 = 139,726,430.40/x
  3. Step 3: Cross multiply
    177,947,025.60x = 266,920,538.40 × 139,726,430.40
  4. Step 4: Simplify right side
    177,947,025.60x = 37,295,854,031,078,128
  5. Step 5: Solve for x
    x = 37,295,854,031,078,128/177,947,025.60
  6. Step 6: Final answer
    x = 209,589,645.60

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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.