Home / 72,270,426.65-99,733,316.25-39,230,698.66

Finding the Fourth Proportional to 72,270,426.65, 99,733,316.25 and 39,230,698.66

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Solution

The fourth proportional to 72,270,426.65, 99,733,316.25 and 39,230,698.66 is: 54,138,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,270,426.65 : 99,733,316.25 = 39,230,698.66 : x
  2. Step 2: Convert to fraction form
    72,270,426.65/99,733,316.25 = 39,230,698.66/x
  3. Step 3: Cross multiply
    72,270,426.65x = 99,733,316.25 × 39,230,698.66
  4. Step 4: Simplify right side
    72,270,426.65x = 3,912,607,675,471,411.50
  5. Step 5: Solve for x
    x = 3,912,607,675,471,411.50/72,270,426.65
  6. Step 6: Final answer
    x = 54,138,433.34

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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.