Home / 295,128,868.40-442,693,302.60-90,667,113.20

Finding the Fourth Proportional to 295,128,868.40, 442,693,302.60 and 90,667,113.20

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Solution

The fourth proportional to 295,128,868.40, 442,693,302.60 and 90,667,113.20 is: 136,000,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,128,868.40 : 442,693,302.60 = 90,667,113.20 : x
  2. Step 2: Convert to fraction form
    295,128,868.40/442,693,302.60 = 90,667,113.20/x
  3. Step 3: Cross multiply
    295,128,868.40x = 442,693,302.60 × 90,667,113.20
  4. Step 4: Simplify right side
    295,128,868.40x = 40,137,723,779,716,056
  5. Step 5: Solve for x
    x = 40,137,723,779,716,056/295,128,868.40
  6. Step 6: Final answer
    x = 136,000,669.80

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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.