Home / 102,215,256.78-141,035,497.47-65,032,109.58

Finding the Fourth Proportional to 102,215,256.78, 141,035,497.47 and 65,032,109.58

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Solution

The fourth proportional to 102,215,256.78, 141,035,497.47 and 65,032,109.58 is: 89,730,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215,256.78 : 141,035,497.47 = 65,032,109.58 : x
  2. Step 2: Convert to fraction form
    102,215,256.78/141,035,497.47 = 65,032,109.58/x
  3. Step 3: Cross multiply
    102,215,256.78x = 141,035,497.47 × 65,032,109.58
  4. Step 4: Simplify right side
    102,215,256.78x = 9,171,835,926,138,852
  5. Step 5: Solve for x
    x = 9,171,835,926,138,852/102,215,256.78
  6. Step 6: Final answer
    x = 89,730,596.15

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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.