Home / 90,902,955.03-125,442,453.65-51,209,561.13

Finding the Fourth Proportional to 90,902,955.03, 125,442,453.65 and 51,209,561.13

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Solution

The fourth proportional to 90,902,955.03, 125,442,453.65 and 51,209,561.13 is: 70,667,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,902,955.03 : 125,442,453.65 = 51,209,561.13 : x
  2. Step 2: Convert to fraction form
    90,902,955.03/125,442,453.65 = 51,209,561.13/x
  3. Step 3: Cross multiply
    90,902,955.03x = 125,442,453.65 × 51,209,561.13
  4. Step 4: Simplify right side
    90,902,955.03x = 6,423,852,998,230,819
  5. Step 5: Solve for x
    x = 6,423,852,998,230,819/90,902,955.03
  6. Step 6: Final answer
    x = 70,667,152.64

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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.