Home / 112,687,405.83-155,654,494.74-93,187,064.07

Finding the Fourth Proportional to 112,687,405.83, 155,654,494.74 and 93,187,064.07

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Solution

The fourth proportional to 112,687,405.83, 155,654,494.74 and 93,187,064.07 is: 128,718,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,687,405.83 : 155,654,494.74 = 93,187,064.07 : x
  2. Step 2: Convert to fraction form
    112,687,405.83/155,654,494.74 = 93,187,064.07/x
  3. Step 3: Cross multiply
    112,687,405.83x = 155,654,494.74 × 93,187,064.07
  4. Step 4: Simplify right side
    112,687,405.83x = 14,504,985,374,119,858
  5. Step 5: Solve for x
    x = 14,504,985,374,119,858/112,687,405.83
  6. Step 6: Final answer
    x = 128,718,779.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.