Home / 140,232,803.40-211,306,397.31-115,233,818.76

Finding the Fourth Proportional to 140,232,803.40, 211,306,397.31 and 115,233,818.76

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Solution

The fourth proportional to 140,232,803.40, 211,306,397.31 and 115,233,818.76 is: 173,637,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,232,803.40 : 211,306,397.31 = 115,233,818.76 : x
  2. Step 2: Convert to fraction form
    140,232,803.40/211,306,397.31 = 115,233,818.76/x
  3. Step 3: Cross multiply
    140,232,803.40x = 211,306,397.31 × 115,233,818.76
  4. Step 4: Simplify right side
    140,232,803.40x = 24,349,643,090,449,092
  5. Step 5: Solve for x
    x = 24,349,643,090,449,092/140,232,803.40
  6. Step 6: Final answer
    x = 173,637,283.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.