Home / 86,438,405.61-129,657,829.59-35,320,424.22

Finding the Fourth Proportional to 86,438,405.61, 129,657,829.59 and 35,320,424.22

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Solution

The fourth proportional to 86,438,405.61, 129,657,829.59 and 35,320,424.22 is: 52,980,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,438,405.61 : 129,657,829.59 = 35,320,424.22 : x
  2. Step 2: Convert to fraction form
    86,438,405.61/129,657,829.59 = 35,320,424.22/x
  3. Step 3: Cross multiply
    86,438,405.61x = 129,657,829.59 × 35,320,424.22
  4. Step 4: Simplify right side
    86,438,405.61x = 4,579,569,544,563,269
  5. Step 5: Solve for x
    x = 4,579,569,544,563,269/86,438,405.61
  6. Step 6: Final answer
    x = 52,980,726.71

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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.