Home / 130,343,727.80-195,627,566.10-57,672,342.20

Finding the Fourth Proportional to 130,343,727.80, 195,627,566.10 and 57,672,342.20

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Solution

The fourth proportional to 130,343,727.80, 195,627,566.10 and 57,672,342.20 is: 86,558,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,343,727.80 : 195,627,566.10 = 57,672,342.20 : x
  2. Step 2: Convert to fraction form
    130,343,727.80/195,627,566.10 = 57,672,342.20/x
  3. Step 3: Cross multiply
    130,343,727.80x = 195,627,566.10 × 57,672,342.20
  4. Step 4: Simplify right side
    130,343,727.80x = 11,282,299,935,872,320
  5. Step 5: Solve for x
    x = 11,282,299,935,872,320/130,343,727.80
  6. Step 6: Final answer
    x = 86,558,057.89

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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.