Home / 115,092,852.66-172,707,367.59-42,360,717.06

Finding the Fourth Proportional to 115,092,852.66, 172,707,367.59 and 42,360,717.06

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Solution

The fourth proportional to 115,092,852.66, 172,707,367.59 and 42,360,717.06 is: 63,566,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,092,852.66 : 172,707,367.59 = 42,360,717.06 : x
  2. Step 2: Convert to fraction form
    115,092,852.66/172,707,367.59 = 42,360,717.06/x
  3. Step 3: Cross multiply
    115,092,852.66x = 172,707,367.59 × 42,360,717.06
  4. Step 4: Simplify right side
    115,092,852.66x = 7,316,007,932,657,405
  5. Step 5: Solve for x
    x = 7,316,007,932,657,405/115,092,852.66
  6. Step 6: Final answer
    x = 63,566,136.07

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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.