Home / 289,175,598.90-433,760,633.55-70,826,901.30

Finding the Fourth Proportional to 289,175,598.90, 433,760,633.55 and 70,826,901.30

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Solution

The fourth proportional to 289,175,598.90, 433,760,633.55 and 70,826,901.30 is: 106,239,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,175,598.90 : 433,760,633.55 = 70,826,901.30 : x
  2. Step 2: Convert to fraction form
    289,175,598.90/433,760,633.55 = 70,826,901.30/x
  3. Step 3: Cross multiply
    289,175,598.90x = 433,760,633.55 × 70,826,901.30
  4. Step 4: Simplify right side
    289,175,598.90x = 30,721,921,580,271,320
  5. Step 5: Solve for x
    x = 30,721,921,580,271,320/289,175,598.90
  6. Step 6: Final answer
    x = 106,239,674.78

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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.