Home / 310,319,731.85-465,593,099.97-144,402,367.38

Finding the Fourth Proportional to 310,319,731.85, 465,593,099.97 and 144,402,367.38

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Solution

The fourth proportional to 310,319,731.85, 465,593,099.97 and 144,402,367.38 is: 216,656,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,319,731.85 : 465,593,099.97 = 144,402,367.38 : x
  2. Step 2: Convert to fraction form
    310,319,731.85/465,593,099.97 = 144,402,367.38/x
  3. Step 3: Cross multiply
    310,319,731.85x = 465,593,099.97 × 144,402,367.38
  4. Step 4: Simplify right side
    310,319,731.85x = 67,232,745,871,461,008
  5. Step 5: Solve for x
    x = 67,232,745,871,461,008/310,319,731.85
  6. Step 6: Final answer
    x = 216,656,367.52

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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.