Home / 343,321,612.40-514,805,125.80-100,953,023.60

Finding the Fourth Proportional to 343,321,612.40, 514,805,125.80 and 100,953,023.60

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Solution

The fourth proportional to 343,321,612.40, 514,805,125.80 and 100,953,023.60 is: 151,377,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,321,612.40 : 514,805,125.80 = 100,953,023.60 : x
  2. Step 2: Convert to fraction form
    343,321,612.40/514,805,125.80 = 100,953,023.60/x
  3. Step 3: Cross multiply
    343,321,612.40x = 514,805,125.80 × 100,953,023.60
  4. Step 4: Simplify right side
    343,321,612.40x = 51,971,134,014,288,368
  5. Step 5: Solve for x
    x = 51,971,134,014,288,368/343,321,612.40
  6. Step 6: Final answer
    x = 151,377,402.81

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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.