Home / 118,679,065.10-163,774,942.23-65,755,579.74

Finding the Fourth Proportional to 118,679,065.10, 163,774,942.23 and 65,755,579.74

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Solution

The fourth proportional to 118,679,065.10, 163,774,942.23 and 65,755,579.74 is: 90,741,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,679,065.10 : 163,774,942.23 = 65,755,579.74 : x
  2. Step 2: Convert to fraction form
    118,679,065.10/163,774,942.23 = 65,755,579.74/x
  3. Step 3: Cross multiply
    118,679,065.10x = 163,774,942.23 × 65,755,579.74
  4. Step 4: Simplify right side
    118,679,065.10x = 10,769,116,273,218,658
  5. Step 5: Solve for x
    x = 10,769,116,273,218,658/118,679,065.10
  6. Step 6: Final answer
    x = 90,741,499.05

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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.