Home / 130,318,354.88-179,834,402.56-72,375,335.36

Finding the Fourth Proportional to 130,318,354.88, 179,834,402.56 and 72,375,335.36

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Solution

The fourth proportional to 130,318,354.88, 179,834,402.56 and 72,375,335.36 is: 99,875,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,318,354.88 : 179,834,402.56 = 72,375,335.36 : x
  2. Step 2: Convert to fraction form
    130,318,354.88/179,834,402.56 = 72,375,335.36/x
  3. Step 3: Cross multiply
    130,318,354.88x = 179,834,402.56 × 72,375,335.36
  4. Step 4: Simplify right side
    130,318,354.88x = 13,015,575,194,545,242
  5. Step 5: Solve for x
    x = 13,015,575,194,545,242/130,318,354.88
  6. Step 6: Final answer
    x = 99,875,226.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.