Home / 90,902,953.53-125,442,451.58-51,209,559.63

Finding the Fourth Proportional to 90,902,953.53, 125,442,451.58 and 51,209,559.63

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Solution

The fourth proportional to 90,902,953.53, 125,442,451.58 and 51,209,559.63 is: 70,667,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,902,953.53 : 125,442,451.58 = 51,209,559.63 : x
  2. Step 2: Convert to fraction form
    90,902,953.53/125,442,451.58 = 51,209,559.63/x
  3. Step 3: Cross multiply
    90,902,953.53x = 125,442,451.58 × 51,209,559.63
  4. Step 4: Simplify right side
    90,902,953.53x = 6,423,852,704,063,350
  5. Step 5: Solve for x
    x = 6,423,852,704,063,350/90,902,953.53
  6. Step 6: Final answer
    x = 70,667,150.57

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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.