Home / 123,567,320.71-170,474,358.57-70,615,620.55

Finding the Fourth Proportional to 123,567,320.71, 170,474,358.57 and 70,615,620.55

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Solution

The fourth proportional to 123,567,320.71, 170,474,358.57 and 70,615,620.55 is: 97,421,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,567,320.71 : 170,474,358.57 = 70,615,620.55 : x
  2. Step 2: Convert to fraction form
    123,567,320.71/170,474,358.57 = 70,615,620.55/x
  3. Step 3: Cross multiply
    123,567,320.71x = 170,474,358.57 × 70,615,620.55
  4. Step 4: Simplify right side
    123,567,320.71x = 12,038,152,618,283,760
  5. Step 5: Solve for x
    x = 12,038,152,618,283,760/123,567,320.71
  6. Step 6: Final answer
    x = 97,421,814.68

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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.