Home / 86,056,382.59-129,122,693.30-45,106,089.72

Finding the Fourth Proportional to 86,056,382.59, 129,122,693.30 and 45,106,089.72

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Solution

The fourth proportional to 86,056,382.59, 129,122,693.30 and 45,106,089.72 is: 67,679,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056,382.59 : 129,122,693.30 = 45,106,089.72 : x
  2. Step 2: Convert to fraction form
    86,056,382.59/129,122,693.30 = 45,106,089.72/x
  3. Step 3: Cross multiply
    86,056,382.59x = 129,122,693.30 × 45,106,089.72
  4. Step 4: Simplify right side
    86,056,382.59x = 5,824,219,788,877,843
  5. Step 5: Solve for x
    x = 5,824,219,788,877,843/86,056,382.59
  6. Step 6: Final answer
    x = 67,679,114.71

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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.