Home / 145,216,419-217,806,496.65-58,871,865.66

Finding the Fourth Proportional to 145,216,419, 217,806,496.65 and 58,871,865.66

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Solution

The fourth proportional to 145,216,419, 217,806,496.65 and 58,871,865.66 is: 88,300,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,216,419 : 217,806,496.65 = 58,871,865.66 : x
  2. Step 2: Convert to fraction form
    145,216,419/217,806,496.65 = 58,871,865.66/x
  3. Step 3: Cross multiply
    145,216,419x = 217,806,496.65 × 58,871,865.66
  4. Step 4: Simplify right side
    145,216,419x = 12,822,674,810,654,040
  5. Step 5: Solve for x
    x = 12,822,674,810,654,040/145,216,419
  6. Step 6: Final answer
    x = 88,300,447.70

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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.