Home / 110,268,221.80-165,402,332.70-79,657,220.20

Finding the Fourth Proportional to 110,268,221.80, 165,402,332.70 and 79,657,220.20

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Solution

The fourth proportional to 110,268,221.80, 165,402,332.70 and 79,657,220.20 is: 119,485,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,268,221.80 : 165,402,332.70 = 79,657,220.20 : x
  2. Step 2: Convert to fraction form
    110,268,221.80/165,402,332.70 = 79,657,220.20/x
  3. Step 3: Cross multiply
    110,268,221.80x = 165,402,332.70 × 79,657,220.20
  4. Step 4: Simplify right side
    110,268,221.80x = 13,175,490,037,477,560
  5. Step 5: Solve for x
    x = 13,175,490,037,477,560/110,268,221.80
  6. Step 6: Final answer
    x = 119,485,830.30

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1.5x scale

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.