Home / 124,527,999.80-186,791,999.70-79,290,342.20

Finding the Fourth Proportional to 124,527,999.80, 186,791,999.70 and 79,290,342.20

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Solution

The fourth proportional to 124,527,999.80, 186,791,999.70 and 79,290,342.20 is: 118,935,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,527,999.80 : 186,791,999.70 = 79,290,342.20 : x
  2. Step 2: Convert to fraction form
    124,527,999.80/186,791,999.70 = 79,290,342.20/x
  3. Step 3: Cross multiply
    124,527,999.80x = 186,791,999.70 × 79,290,342.20
  4. Step 4: Simplify right side
    124,527,999.80x = 14,810,801,576,435,296
  5. Step 5: Solve for x
    x = 14,810,801,576,435,296/124,527,999.80
  6. Step 6: Final answer
    x = 118,935,513.30

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1.5x scale

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.