Home / 225,074,848.22-310,635,779.76-129,687,087.94

Finding the Fourth Proportional to 225,074,848.22, 310,635,779.76 and 129,687,087.94

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Solution

The fourth proportional to 225,074,848.22, 310,635,779.76 and 129,687,087.94 is: 178,986,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,074,848.22 : 310,635,779.76 = 129,687,087.94 : x
  2. Step 2: Convert to fraction form
    225,074,848.22/310,635,779.76 = 129,687,087.94/x
  3. Step 3: Cross multiply
    225,074,848.22x = 310,635,779.76 × 129,687,087.94
  4. Step 4: Simplify right side
    225,074,848.22x = 40,285,449,685,492,416
  5. Step 5: Solve for x
    x = 40,285,449,685,492,416/225,074,848.22
  6. Step 6: Final answer
    x = 178,986,901.49

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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.