Home / 86,878,895.07-130,255,158.15-40,797,018.57

Finding the Fourth Proportional to 86,878,895.07, 130,255,158.15 and 40,797,018.57

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Solution

The fourth proportional to 86,878,895.07, 130,255,158.15 and 40,797,018.57 is: 61,165,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,878,895.07 : 130,255,158.15 = 40,797,018.57 : x
  2. Step 2: Convert to fraction form
    86,878,895.07/130,255,158.15 = 40,797,018.57/x
  3. Step 3: Cross multiply
    86,878,895.07x = 130,255,158.15 × 40,797,018.57
  4. Step 4: Simplify right side
    86,878,895.07x = 5,314,022,105,883,837
  5. Step 5: Solve for x
    x = 5,314,022,105,883,837/86,878,895.07
  6. Step 6: Final answer
    x = 61,165,857.39

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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.