Home / 157,067,113.37-216,749,972.01-86,509,294.11

Finding the Fourth Proportional to 157,067,113.37, 216,749,972.01 and 86,509,294.11

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Solution

The fourth proportional to 157,067,113.37, 216,749,972.01 and 86,509,294.11 is: 119,381,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067,113.37 : 216,749,972.01 = 86,509,294.11 : x
  2. Step 2: Convert to fraction form
    157,067,113.37/216,749,972.01 = 86,509,294.11/x
  3. Step 3: Cross multiply
    157,067,113.37x = 216,749,972.01 × 86,509,294.11
  4. Step 4: Simplify right side
    157,067,113.37x = 18,750,887,076,947,356
  5. Step 5: Solve for x
    x = 18,750,887,076,947,356/157,067,113.37
  6. Step 6: Final answer
    x = 119,381,369.37

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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.