Home / 102,615,811.80-141,608,070.05-55,572,503.01

Finding the Fourth Proportional to 102,615,811.80, 141,608,070.05 and 55,572,503.01

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Solution

The fourth proportional to 102,615,811.80, 141,608,070.05 and 55,572,503.01 is: 76,689,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,811.80 : 141,608,070.05 = 55,572,503.01 : x
  2. Step 2: Convert to fraction form
    102,615,811.80/141,608,070.05 = 55,572,503.01/x
  3. Step 3: Cross multiply
    102,615,811.80x = 141,608,070.05 × 55,572,503.01
  4. Step 4: Simplify right side
    102,615,811.80x = 7,869,514,899,232,847
  5. Step 5: Solve for x
    x = 7,869,514,899,232,847/102,615,811.80
  6. Step 6: Final answer
    x = 76,689,106.30

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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.