Home / 343,299,434.40-514,949,151.65-100,962,338.40

Finding the Fourth Proportional to 343,299,434.40, 514,949,151.65 and 100,962,338.40

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Solution

The fourth proportional to 343,299,434.40, 514,949,151.65 and 100,962,338.40 is: 151,443,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,299,434.40 : 514,949,151.65 = 100,962,338.40 : x
  2. Step 2: Convert to fraction form
    343,299,434.40/514,949,151.65 = 100,962,338.40/x
  3. Step 3: Cross multiply
    343,299,434.40x = 514,949,151.65 × 100,962,338.40
  4. Step 4: Simplify right side
    343,299,434.40x = 51,990,470,507,175,408
  5. Step 5: Solve for x
    x = 51,990,470,507,175,408/343,299,434.40
  6. Step 6: Final answer
    x = 151,443,507.61

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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.