Home / 54,143,776.65-81,209,907.70-15,281,267.79

Finding the Fourth Proportional to 54,143,776.65, 81,209,907.70 and 15,281,267.79

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Solution

The fourth proportional to 54,143,776.65, 81,209,907.70 and 15,281,267.79 is: 22,920,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143,776.65 : 81,209,907.70 = 15,281,267.79 : x
  2. Step 2: Convert to fraction form
    54,143,776.65/81,209,907.70 = 15,281,267.79/x
  3. Step 3: Cross multiply
    54,143,776.65x = 81,209,907.70 × 15,281,267.79
  4. Step 4: Simplify right side
    54,143,776.65x = 1,240,990,347,117,174
  5. Step 5: Solve for x
    x = 1,240,990,347,117,174/54,143,776.65
  6. Step 6: Final answer
    x = 22,920,276.79

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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.