Home / 105,255,283.71-145,244,917.78-61,199,156.96

Finding the Fourth Proportional to 105,255,283.71, 145,244,917.78 and 61,199,156.96

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Solution

The fourth proportional to 105,255,283.71, 145,244,917.78 and 61,199,156.96 is: 84,450,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255,283.71 : 145,244,917.78 = 61,199,156.96 : x
  2. Step 2: Convert to fraction form
    105,255,283.71/145,244,917.78 = 61,199,156.96/x
  3. Step 3: Cross multiply
    105,255,283.71x = 145,244,917.78 × 61,199,156.96
  4. Step 4: Simplify right side
    105,255,283.71x = 8,888,866,520,860,515
  5. Step 5: Solve for x
    x = 8,888,866,520,860,515/105,255,283.71
  6. Step 6: Final answer
    x = 84,450,549.25

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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.