Home / 130,912,101.18-196,368,146.10-124,365,972.78

Finding the Fourth Proportional to 130,912,101.18, 196,368,146.10 and 124,365,972.78

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Solution

The fourth proportional to 130,912,101.18, 196,368,146.10 and 124,365,972.78 is: 186,548,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,912,101.18 : 196,368,146.10 = 124,365,972.78 : x
  2. Step 2: Convert to fraction form
    130,912,101.18/196,368,146.10 = 124,365,972.78/x
  3. Step 3: Cross multiply
    130,912,101.18x = 196,368,146.10 × 124,365,972.78
  4. Step 4: Simplify right side
    130,912,101.18x = 24,421,515,512,731,664
  5. Step 5: Solve for x
    x = 24,421,515,512,731,664/130,912,101.18
  6. Step 6: Final answer
    x = 186,548,953.78

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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.