Home / 257,720,663.40-355,658,796.18-140,250,944.76

Finding the Fourth Proportional to 257,720,663.40, 355,658,796.18 and 140,250,944.76

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Solution

The fourth proportional to 257,720,663.40, 355,658,796.18 and 140,250,944.76 is: 193,548,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,720,663.40 : 355,658,796.18 = 140,250,944.76 : x
  2. Step 2: Convert to fraction form
    257,720,663.40/355,658,796.18 = 140,250,944.76/x
  3. Step 3: Cross multiply
    257,720,663.40x = 355,658,796.18 × 140,250,944.76
  4. Step 4: Simplify right side
    257,720,663.40x = 49,881,482,176,449,280
  5. Step 5: Solve for x
    x = 49,881,482,176,449,280/257,720,663.40
  6. Step 6: Final answer
    x = 193,548,633.31

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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.