Home / 130,342,330.80-179,852,421.08-75,327,562.80

Finding the Fourth Proportional to 130,342,330.80, 179,852,421.08 and 75,327,562.80

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Solution

The fourth proportional to 130,342,330.80, 179,852,421.08 and 75,327,562.80 is: 103,940,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342,330.80 : 179,852,421.08 = 75,327,562.80 : x
  2. Step 2: Convert to fraction form
    130,342,330.80/179,852,421.08 = 75,327,562.80/x
  3. Step 3: Cross multiply
    130,342,330.80x = 179,852,421.08 × 75,327,562.80
  4. Step 4: Simplify right side
    130,342,330.80x = 13,547,844,543,635,744
  5. Step 5: Solve for x
    x = 13,547,844,543,635,744/130,342,330.80
  6. Step 6: Final answer
    x = 103,940,480.89

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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.