Home / 144,442,142.52-199,330,134.70-82,563,809.72

Finding the Fourth Proportional to 144,442,142.52, 199,330,134.70 and 82,563,809.72

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Solution

The fourth proportional to 144,442,142.52, 199,330,134.70 and 82,563,809.72 is: 113,938,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,442,142.52 : 199,330,134.70 = 82,563,809.72 : x
  2. Step 2: Convert to fraction form
    144,442,142.52/199,330,134.70 = 82,563,809.72/x
  3. Step 3: Cross multiply
    144,442,142.52x = 199,330,134.70 × 82,563,809.72
  4. Step 4: Simplify right side
    144,442,142.52x = 16,457,455,312,832,768
  5. Step 5: Solve for x
    x = 16,457,455,312,832,768/144,442,142.52
  6. Step 6: Final answer
    x = 113,938,044.85

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1.5x scale

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.