Home / 72,584,200.20-108,876,300.30-54,444,347.40

Finding the Fourth Proportional to 72,584,200.20, 108,876,300.30 and 54,444,347.40

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Solution

The fourth proportional to 72,584,200.20, 108,876,300.30 and 54,444,347.40 is: 81,666,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,200.20 : 108,876,300.30 = 54,444,347.40 : x
  2. Step 2: Convert to fraction form
    72,584,200.20/108,876,300.30 = 54,444,347.40/x
  3. Step 3: Cross multiply
    72,584,200.20x = 108,876,300.30 × 54,444,347.40
  4. Step 4: Simplify right side
    72,584,200.20x = 5,927,699,117,159,924
  5. Step 5: Solve for x
    x = 5,927,699,117,159,924/72,584,200.20
  6. Step 6: Final answer
    x = 81,666,521.10

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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.