Home / 128,697,104.58-177,600,742.58-69,956,274.76

Finding the Fourth Proportional to 128,697,104.58, 177,600,742.58 and 69,956,274.76

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Solution

The fourth proportional to 128,697,104.58, 177,600,742.58 and 69,956,274.76 is: 96,538,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,697,104.58 : 177,600,742.58 = 69,956,274.76 : x
  2. Step 2: Convert to fraction form
    128,697,104.58/177,600,742.58 = 69,956,274.76/x
  3. Step 3: Cross multiply
    128,697,104.58x = 177,600,742.58 × 69,956,274.76
  4. Step 4: Simplify right side
    128,697,104.58x = 12,424,286,345,506,514
  5. Step 5: Solve for x
    x = 12,424,286,345,506,514/128,697,104.58
  6. Step 6: Final answer
    x = 96,538,973.32

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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.