Home / 72,262,543.80-108,357,948.90-26,202,574.20

Finding the Fourth Proportional to 72,262,543.80, 108,357,948.90 and 26,202,574.20

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Solution

The fourth proportional to 72,262,543.80, 108,357,948.90 and 26,202,574.20 is: 39,290,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,262,543.80 : 108,357,948.90 = 26,202,574.20 : x
  2. Step 2: Convert to fraction form
    72,262,543.80/108,357,948.90 = 26,202,574.20/x
  3. Step 3: Cross multiply
    72,262,543.80x = 108,357,948.90 × 26,202,574.20
  4. Step 4: Simplify right side
    72,262,543.80x = 2,839,257,196,212,058.50
  5. Step 5: Solve for x
    x = 2,839,257,196,212,058.50/72,262,543.80
  6. Step 6: Final answer
    x = 39,290,855.91

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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.