Home / 115,912,010.60-173,868,015.90-75,097,341.80

Finding the Fourth Proportional to 115,912,010.60, 173,868,015.90 and 75,097,341.80

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Solution

The fourth proportional to 115,912,010.60, 173,868,015.90 and 75,097,341.80 is: 112,646,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,010.60 : 173,868,015.90 = 75,097,341.80 : x
  2. Step 2: Convert to fraction form
    115,912,010.60/173,868,015.90 = 75,097,341.80/x
  3. Step 3: Cross multiply
    115,912,010.60x = 173,868,015.90 × 75,097,341.80
  4. Step 4: Simplify right side
    115,912,010.60x = 13,057,025,818,130,134
  5. Step 5: Solve for x
    x = 13,057,025,818,130,134/115,912,010.60
  6. Step 6: Final answer
    x = 112,646,012.70

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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.