Home / 86,896,406.88-130,295,478.96-28,588,306.32

Finding the Fourth Proportional to 86,896,406.88, 130,295,478.96 and 28,588,306.32

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Solution

The fourth proportional to 86,896,406.88, 130,295,478.96 and 28,588,306.32 is: 42,866,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,896,406.88 : 130,295,478.96 = 28,588,306.32 : x
  2. Step 2: Convert to fraction form
    86,896,406.88/130,295,478.96 = 28,588,306.32/x
  3. Step 3: Cross multiply
    86,896,406.88x = 130,295,478.96 × 28,588,306.32
  4. Step 4: Simplify right side
    86,896,406.88x = 3,724,927,064,619,595
  5. Step 5: Solve for x
    x = 3,724,927,064,619,595/86,896,406.88
  6. Step 6: Final answer
    x = 42,866,295.61

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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.