Home / 81,941,154.65-122,911,731.98-81,941,154.65

Finding the Fourth Proportional to 81,941,154.65, 122,911,731.98 and 81,941,154.65

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Solution

The fourth proportional to 81,941,154.65, 122,911,731.98 and 81,941,154.65 is: 122,911,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941,154.65 : 122,911,731.98 = 81,941,154.65 : x
  2. Step 2: Convert to fraction form
    81,941,154.65/122,911,731.98 = 81,941,154.65/x
  3. Step 3: Cross multiply
    81,941,154.65x = 122,911,731.98 × 81,941,154.65
  4. Step 4: Simplify right side
    81,941,154.65x = 10,071,529,238,062,826
  5. Step 5: Solve for x
    x = 10,071,529,238,062,826/81,941,154.65
  6. Step 6: Final answer
    x = 122,911,731.98

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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.