Home / 163,364,947.80-245,047,421.70-126,376,654.20

Finding the Fourth Proportional to 163,364,947.80, 245,047,421.70 and 126,376,654.20

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Solution

The fourth proportional to 163,364,947.80, 245,047,421.70 and 126,376,654.20 is: 189,564,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,364,947.80 : 245,047,421.70 = 126,376,654.20 : x
  2. Step 2: Convert to fraction form
    163,364,947.80/245,047,421.70 = 126,376,654.20/x
  3. Step 3: Cross multiply
    163,364,947.80x = 245,047,421.70 × 126,376,654.20
  4. Step 4: Simplify right side
    163,364,947.80x = 30,968,273,274,782,476
  5. Step 5: Solve for x
    x = 30,968,273,274,782,476/163,364,947.80
  6. Step 6: Final answer
    x = 189,564,981.30

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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.