Home / 122,510,128.65-183,765,192.98-54,359,709.45

Finding the Fourth Proportional to 122,510,128.65, 183,765,192.98 and 54,359,709.45

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Solution

The fourth proportional to 122,510,128.65, 183,765,192.98 and 54,359,709.45 is: 81,539,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510,128.65 : 183,765,192.98 = 54,359,709.45 : x
  2. Step 2: Convert to fraction form
    122,510,128.65/183,765,192.98 = 54,359,709.45/x
  3. Step 3: Cross multiply
    122,510,128.65x = 183,765,192.98 × 54,359,709.45
  4. Step 4: Simplify right side
    122,510,128.65x = 9,989,422,497,144,182
  5. Step 5: Solve for x
    x = 9,989,422,497,144,182/122,510,128.65
  6. Step 6: Final answer
    x = 81,539,564.18

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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.