Home / 86,896,407.38-130,295,479.71-28,588,306.82

Finding the Fourth Proportional to 86,896,407.38, 130,295,479.71 and 28,588,306.82

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Solution

The fourth proportional to 86,896,407.38, 130,295,479.71 and 28,588,306.82 is: 42,866,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,896,407.38 : 130,295,479.71 = 28,588,306.82 : x
  2. Step 2: Convert to fraction form
    86,896,407.38/130,295,479.71 = 28,588,306.82/x
  3. Step 3: Cross multiply
    86,896,407.38x = 130,295,479.71 × 28,588,306.82
  4. Step 4: Simplify right side
    86,896,407.38x = 3,724,927,151,208,564.50
  5. Step 5: Solve for x
    x = 3,724,927,151,208,564.50/86,896,407.38
  6. Step 6: Final answer
    x = 42,866,296.36

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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.