Home / 100,931,567.40-151,468,209.90-43,465,080.60

Finding the Fourth Proportional to 100,931,567.40, 151,468,209.90 and 43,465,080.60

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Solution

The fourth proportional to 100,931,567.40, 151,468,209.90 and 43,465,080.60 is: 65,228,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,931,567.40 : 151,468,209.90 = 43,465,080.60 : x
  2. Step 2: Convert to fraction form
    100,931,567.40/151,468,209.90 = 43,465,080.60/x
  3. Step 3: Cross multiply
    100,931,567.40x = 151,468,209.90 × 43,465,080.60
  4. Step 4: Simplify right side
    100,931,567.40x = 6,583,577,951,641,218
  5. Step 5: Solve for x
    x = 6,583,577,951,641,218/100,931,567.40
  6. Step 6: Final answer
    x = 65,228,135.47

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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.