Home / 248,506,065.70-372,759,098.55-84,928,525.90

Finding the Fourth Proportional to 248,506,065.70, 372,759,098.55 and 84,928,525.90

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Solution

The fourth proportional to 248,506,065.70, 372,759,098.55 and 84,928,525.90 is: 127,392,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,506,065.70 : 372,759,098.55 = 84,928,525.90 : x
  2. Step 2: Convert to fraction form
    248,506,065.70/372,759,098.55 = 84,928,525.90/x
  3. Step 3: Cross multiply
    248,506,065.70x = 372,759,098.55 × 84,928,525.90
  4. Step 4: Simplify right side
    248,506,065.70x = 31,657,880,755,664,332
  5. Step 5: Solve for x
    x = 31,657,880,755,664,332/248,506,065.70
  6. Step 6: Final answer
    x = 127,392,788.85

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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.