Home / 349,486,150.40-523,922,143.24-142,398,699.20

Finding the Fourth Proportional to 349,486,150.40, 523,922,143.24 and 142,398,699.20

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Solution

The fourth proportional to 349,486,150.40, 523,922,143.24 and 142,398,699.20 is: 213,472,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,486,150.40 : 523,922,143.24 = 142,398,699.20 : x
  2. Step 2: Convert to fraction form
    349,486,150.40/523,922,143.24 = 142,398,699.20/x
  3. Step 3: Cross multiply
    349,486,150.40x = 523,922,143.24 × 142,398,699.20
  4. Step 4: Simplify right side
    349,486,150.40x = 74,605,831,679,452,064
  5. Step 5: Solve for x
    x = 74,605,831,679,452,064/349,486,150.40
  6. Step 6: Final answer
    x = 213,472,927.59

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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.