Home / 295,128,779.40-442,693,169.10-90,667,024.20

Finding the Fourth Proportional to 295,128,779.40, 442,693,169.10 and 90,667,024.20

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Solution

The fourth proportional to 295,128,779.40, 442,693,169.10 and 90,667,024.20 is: 136,000,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,128,779.40 : 442,693,169.10 = 90,667,024.20 : x
  2. Step 2: Convert to fraction form
    295,128,779.40/442,693,169.10 = 90,667,024.20/x
  3. Step 3: Cross multiply
    295,128,779.40x = 442,693,169.10 × 90,667,024.20
  4. Step 4: Simplify right side
    295,128,779.40x = 40,137,672,275,964,392
  5. Step 5: Solve for x
    x = 40,137,672,275,964,392/295,128,779.40
  6. Step 6: Final answer
    x = 136,000,536.30

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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.