Home / 115,912,005.60-173,868,008.40-75,097,336.80

Finding the Fourth Proportional to 115,912,005.60, 173,868,008.40 and 75,097,336.80

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Solution

The fourth proportional to 115,912,005.60, 173,868,008.40 and 75,097,336.80 is: 112,646,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,005.60 : 173,868,008.40 = 75,097,336.80 : x
  2. Step 2: Convert to fraction form
    115,912,005.60/173,868,008.40 = 75,097,336.80/x
  3. Step 3: Cross multiply
    115,912,005.60x = 173,868,008.40 × 75,097,336.80
  4. Step 4: Simplify right side
    115,912,005.60x = 13,057,024,385,560,030
  5. Step 5: Solve for x
    x = 13,057,024,385,560,030/115,912,005.60
  6. Step 6: Final answer
    x = 112,646,005.20

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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.