Home / 107,412,129.60-160,740,280.80-98,342,203.20

Finding the Fourth Proportional to 107,412,129.60, 160,740,280.80 and 98,342,203.20

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Solution

The fourth proportional to 107,412,129.60, 160,740,280.80 and 98,342,203.20 is: 147,167,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412,129.60 : 160,740,280.80 = 98,342,203.20 : x
  2. Step 2: Convert to fraction form
    107,412,129.60/160,740,280.80 = 98,342,203.20/x
  3. Step 3: Cross multiply
    107,412,129.60x = 160,740,280.80 × 98,342,203.20
  4. Step 4: Simplify right side
    107,412,129.60x = 15,807,553,356,858,660
  5. Step 5: Solve for x
    x = 15,807,553,356,858,660/107,412,129.60
  6. Step 6: Final answer
    x = 147,167,302.39

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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.