Home / 144,872,305.60-217,308,458.40-47,842,988.80

Finding the Fourth Proportional to 144,872,305.60, 217,308,458.40 and 47,842,988.80

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Solution

The fourth proportional to 144,872,305.60, 217,308,458.40 and 47,842,988.80 is: 71,764,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,872,305.60 : 217,308,458.40 = 47,842,988.80 : x
  2. Step 2: Convert to fraction form
    144,872,305.60/217,308,458.40 = 47,842,988.80/x
  3. Step 3: Cross multiply
    144,872,305.60x = 217,308,458.40 × 47,842,988.80
  4. Step 4: Simplify right side
    144,872,305.60x = 10,396,686,141,376,466
  5. Step 5: Solve for x
    x = 10,396,686,141,376,466/144,872,305.60
  6. Step 6: Final answer
    x = 71,764,483.20

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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.