Home / 268,090,207.60-402,135,311.40-95,572,649.20

Finding the Fourth Proportional to 268,090,207.60, 402,135,311.40 and 95,572,649.20

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Solution

The fourth proportional to 268,090,207.60, 402,135,311.40 and 95,572,649.20 is: 143,358,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,090,207.60 : 402,135,311.40 = 95,572,649.20 : x
  2. Step 2: Convert to fraction form
    268,090,207.60/402,135,311.40 = 95,572,649.20/x
  3. Step 3: Cross multiply
    268,090,207.60x = 402,135,311.40 × 95,572,649.20
  4. Step 4: Simplify right side
    268,090,207.60x = 38,433,137,047,364,960
  5. Step 5: Solve for x
    x = 38,433,137,047,364,960/268,090,207.60
  6. Step 6: Final answer
    x = 143,358,973.80

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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.