Home / 265,455,677.41-398,199,476.88-81,224,749.65

Finding the Fourth Proportional to 265,455,677.41, 398,199,476.88 and 81,224,749.65

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Solution

The fourth proportional to 265,455,677.41, 398,199,476.88 and 81,224,749.65 is: 121,842,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,455,677.41 : 398,199,476.88 = 81,224,749.65 : x
  2. Step 2: Convert to fraction form
    265,455,677.41/398,199,476.88 = 81,224,749.65/x
  3. Step 3: Cross multiply
    265,455,677.41x = 398,199,476.88 × 81,224,749.65
  4. Step 4: Simplify right side
    265,455,677.41x = 32,343,652,818,845,712
  5. Step 5: Solve for x
    x = 32,343,652,818,845,712/265,455,677.41
  6. Step 6: Final answer
    x = 121,842,008.18

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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.