Home / 122,492,279.70-183,738,419.55-54,334,971.45

Finding the Fourth Proportional to 122,492,279.70, 183,738,419.55 and 54,334,971.45

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Solution

The fourth proportional to 122,492,279.70, 183,738,419.55 and 54,334,971.45 is: 81,502,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,492,279.70 : 183,738,419.55 = 54,334,971.45 : x
  2. Step 2: Convert to fraction form
    122,492,279.70/183,738,419.55 = 54,334,971.45/x
  3. Step 3: Cross multiply
    122,492,279.70x = 183,738,419.55 × 54,334,971.45
  4. Step 4: Simplify right side
    122,492,279.70x = 9,983,421,780,517,374
  5. Step 5: Solve for x
    x = 9,983,421,780,517,374/122,492,279.70
  6. Step 6: Final answer
    x = 81,502,457.18

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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.