Home / 343,709,729.76-474,359,816.16-193,027,149.21

Finding the Fourth Proportional to 343,709,729.76, 474,359,816.16 and 193,027,149.21

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Solution

The fourth proportional to 343,709,729.76, 474,359,816.16 and 193,027,149.21 is: 266,400,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,709,729.76 : 474,359,816.16 = 193,027,149.21 : x
  2. Step 2: Convert to fraction form
    343,709,729.76/474,359,816.16 = 193,027,149.21/x
  3. Step 3: Cross multiply
    343,709,729.76x = 474,359,816.16 × 193,027,149.21
  4. Step 4: Simplify right side
    343,709,729.76x = 91,564,323,013,144,496
  5. Step 5: Solve for x
    x = 91,564,323,013,144,496/343,709,729.76
  6. Step 6: Final answer
    x = 266,400,148.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.