Home / 144,185,422.80-216,299,129.40-47,117,614.80

Finding the Fourth Proportional to 144,185,422.80, 216,299,129.40 and 47,117,614.80

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Solution

The fourth proportional to 144,185,422.80, 216,299,129.40 and 47,117,614.80 is: 70,683,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,185,422.80 : 216,299,129.40 = 47,117,614.80 : x
  2. Step 2: Convert to fraction form
    144,185,422.80/216,299,129.40 = 47,117,614.80/x
  3. Step 3: Cross multiply
    144,185,422.80x = 216,299,129.40 × 47,117,614.80
  4. Step 4: Simplify right side
    144,185,422.80x = 10,191,499,060,644,554
  5. Step 5: Solve for x
    x = 10,191,499,060,644,554/144,185,422.80
  6. Step 6: Final answer
    x = 70,683,283.11

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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.