Home / 178,038,077.80-267,057,116.70-147,804,989.80

Finding the Fourth Proportional to 178,038,077.80, 267,057,116.70 and 147,804,989.80

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Solution

The fourth proportional to 178,038,077.80, 267,057,116.70 and 147,804,989.80 is: 221,707,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,038,077.80 : 267,057,116.70 = 147,804,989.80 : x
  2. Step 2: Convert to fraction form
    178,038,077.80/267,057,116.70 = 147,804,989.80/x
  3. Step 3: Cross multiply
    178,038,077.80x = 267,057,116.70 × 147,804,989.80
  4. Step 4: Simplify right side
    178,038,077.80x = 39,472,374,409,860,912
  5. Step 5: Solve for x
    x = 39,472,374,409,860,912/178,038,077.80
  6. Step 6: Final answer
    x = 221,707,484.70

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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.