Home / 53,920,901.65-80,881,352.48-45,311,557.45

Finding the Fourth Proportional to 53,920,901.65, 80,881,352.48 and 45,311,557.45

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Solution

The fourth proportional to 53,920,901.65, 80,881,352.48 and 45,311,557.45 is: 67,967,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920,901.65 : 80,881,352.48 = 45,311,557.45 : x
  2. Step 2: Convert to fraction form
    53,920,901.65/80,881,352.48 = 45,311,557.45/x
  3. Step 3: Cross multiply
    53,920,901.65x = 80,881,352.48 × 45,311,557.45
  4. Step 4: Simplify right side
    53,920,901.65x = 3,664,860,049,304,662
  5. Step 5: Solve for x
    x = 3,664,860,049,304,662/53,920,901.65
  6. Step 6: Final answer
    x = 67,967,336.18

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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.