Home / 85,576,534.71-128,370,171.69-24,170,501.55

Finding the Fourth Proportional to 85,576,534.71, 128,370,171.69 and 24,170,501.55

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Solution

The fourth proportional to 85,576,534.71, 128,370,171.69 and 24,170,501.55 is: 36,257,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,576,534.71 : 128,370,171.69 = 24,170,501.55 : x
  2. Step 2: Convert to fraction form
    85,576,534.71/128,370,171.69 = 24,170,501.55/x
  3. Step 3: Cross multiply
    85,576,534.71x = 128,370,171.69 × 24,170,501.55
  4. Step 4: Simplify right side
    85,576,534.71x = 3,102,771,433,806,911
  5. Step 5: Solve for x
    x = 3,102,771,433,806,911/85,576,534.71
  6. Step 6: Final answer
    x = 36,257,268.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.