Home / 128,535,225.24-177,376,077.34-75,617,651.97

Finding the Fourth Proportional to 128,535,225.24, 177,376,077.34 and 75,617,651.97

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Solution

The fourth proportional to 128,535,225.24, 177,376,077.34 and 75,617,651.97 is: 104,350,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,535,225.24 : 177,376,077.34 = 75,617,651.97 : x
  2. Step 2: Convert to fraction form
    128,535,225.24/177,376,077.34 = 75,617,651.97/x
  3. Step 3: Cross multiply
    128,535,225.24x = 177,376,077.34 × 75,617,651.97
  4. Step 4: Simplify right side
    128,535,225.24x = 13,412,762,484,099,924
  5. Step 5: Solve for x
    x = 13,412,762,484,099,924/128,535,225.24
  6. Step 6: Final answer
    x = 104,350,869.26

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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.