Home / 123,287,163.42-170,134,200.45-68,281,838.94

Finding the Fourth Proportional to 123,287,163.42, 170,134,200.45 and 68,281,838.94

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Solution

The fourth proportional to 123,287,163.42, 170,134,200.45 and 68,281,838.94 is: 94,227,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,287,163.42 : 170,134,200.45 = 68,281,838.94 : x
  2. Step 2: Convert to fraction form
    123,287,163.42/170,134,200.45 = 68,281,838.94/x
  3. Step 3: Cross multiply
    123,287,163.42x = 170,134,200.45 × 68,281,838.94
  4. Step 4: Simplify right side
    123,287,163.42x = 11,617,076,073,312,574
  5. Step 5: Solve for x
    x = 11,617,076,073,312,574/123,287,163.42
  6. Step 6: Final answer
    x = 94,227,782.93

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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.