Home / 124,403,422.46-171,710,869.29-72,209,273.45

Finding the Fourth Proportional to 124,403,422.46, 171,710,869.29 and 72,209,273.45

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Solution

The fourth proportional to 124,403,422.46, 171,710,869.29 and 72,209,273.45 is: 99,668,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,403,422.46 : 171,710,869.29 = 72,209,273.45 : x
  2. Step 2: Convert to fraction form
    124,403,422.46/171,710,869.29 = 72,209,273.45/x
  3. Step 3: Cross multiply
    124,403,422.46x = 171,710,869.29 × 72,209,273.45
  4. Step 4: Simplify right side
    124,403,422.46x = 12,399,117,114,898,818
  5. Step 5: Solve for x
    x = 12,399,117,114,898,818/124,403,422.46
  6. Step 6: Final answer
    x = 99,668,617.39

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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.