Home / 75,022,981.60-112,534,472.40-69,984,133.60

Finding the Fourth Proportional to 75,022,981.60, 112,534,472.40 and 69,984,133.60

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Solution

The fourth proportional to 75,022,981.60, 112,534,472.40 and 69,984,133.60 is: 104,976,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022,981.60 : 112,534,472.40 = 69,984,133.60 : x
  2. Step 2: Convert to fraction form
    75,022,981.60/112,534,472.40 = 69,984,133.60/x
  3. Step 3: Cross multiply
    75,022,981.60x = 112,534,472.40 × 69,984,133.60
  4. Step 4: Simplify right side
    75,022,981.60x = 7,875,627,551,047,112
  5. Step 5: Solve for x
    x = 7,875,627,551,047,112/75,022,981.60
  6. Step 6: Final answer
    x = 104,976,200.40

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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.