Home / 90,170,088.41-124,421,446.76-50,475,556.05

Finding the Fourth Proportional to 90,170,088.41, 124,421,446.76 and 50,475,556.05

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Solution

The fourth proportional to 90,170,088.41, 124,421,446.76 and 50,475,556.05 is: 69,648,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170,088.41 : 124,421,446.76 = 50,475,556.05 : x
  2. Step 2: Convert to fraction form
    90,170,088.41/124,421,446.76 = 50,475,556.05/x
  3. Step 3: Cross multiply
    90,170,088.41x = 124,421,446.76 × 50,475,556.05
  4. Step 4: Simplify right side
    90,170,088.41x = 6,280,241,709,756,471
  5. Step 5: Solve for x
    x = 6,280,241,709,756,471/90,170,088.41
  6. Step 6: Final answer
    x = 69,648,836.11

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1.5x scale

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.