Home / 280,897,314.40-421,241,457.30-96,613,064.20

Finding the Fourth Proportional to 280,897,314.40, 421,241,457.30 and 96,613,064.20

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Solution

The fourth proportional to 280,897,314.40, 421,241,457.30 and 96,613,064.20 is: 144,883,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,897,314.40 : 421,241,457.30 = 96,613,064.20 : x
  2. Step 2: Convert to fraction form
    280,897,314.40/421,241,457.30 = 96,613,064.20/x
  3. Step 3: Cross multiply
    280,897,314.40x = 421,241,457.30 × 96,613,064.20
  4. Step 4: Simplify right side
    280,897,314.40x = 40,697,427,957,826,464
  5. Step 5: Solve for x
    x = 40,697,427,957,826,464/280,897,314.40
  6. Step 6: Final answer
    x = 144,883,649.19

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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.