Home / 78,354,924.77-117,532,660.50-23,767,980.68

Finding the Fourth Proportional to 78,354,924.77, 117,532,660.50 and 23,767,980.68

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Solution

The fourth proportional to 78,354,924.77, 117,532,660.50 and 23,767,980.68 is: 35,652,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,354,924.77 : 117,532,660.50 = 23,767,980.68 : x
  2. Step 2: Convert to fraction form
    78,354,924.77/117,532,660.50 = 23,767,980.68/x
  3. Step 3: Cross multiply
    78,354,924.77x = 117,532,660.50 × 23,767,980.68
  4. Step 4: Simplify right side
    78,354,924.77x = 2,793,514,003,445,336
  5. Step 5: Solve for x
    x = 2,793,514,003,445,336/78,354,924.77
  6. Step 6: Final answer
    x = 35,652,053.93

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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.