Home / 101,659,066.20-140,290,598.70-55,249,322.40

Finding the Fourth Proportional to 101,659,066.20, 140,290,598.70 and 55,249,322.40

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Solution

The fourth proportional to 101,659,066.20, 140,290,598.70 and 55,249,322.40 is: 76,244,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,659,066.20 : 140,290,598.70 = 55,249,322.40 : x
  2. Step 2: Convert to fraction form
    101,659,066.20/140,290,598.70 = 55,249,322.40/x
  3. Step 3: Cross multiply
    101,659,066.20x = 140,290,598.70 × 55,249,322.40
  4. Step 4: Simplify right side
    101,659,066.20x = 7,750,960,517,265,320
  5. Step 5: Solve for x
    x = 7,750,960,517,265,320/101,659,066.20
  6. Step 6: Final answer
    x = 76,244,655.86

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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.