Home / 85,692,342.76-118,336,142.37-59,658,048.70

Finding the Fourth Proportional to 85,692,342.76, 118,336,142.37 and 59,658,048.70

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Solution

The fourth proportional to 85,692,342.76, 118,336,142.37 and 59,658,048.70 is: 82,384,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,692,342.76 : 118,336,142.37 = 59,658,048.70 : x
  2. Step 2: Convert to fraction form
    85,692,342.76/118,336,142.37 = 59,658,048.70/x
  3. Step 3: Cross multiply
    85,692,342.76x = 118,336,142.37 × 59,658,048.70
  4. Step 4: Simplify right side
    85,692,342.76x = 7,059,703,344,479,594
  5. Step 5: Solve for x
    x = 7,059,703,344,479,594/85,692,342.76
  6. Step 6: Final answer
    x = 82,384,296.16

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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.