Home / 144,442,141.52-199,330,133.32-82,563,808.72

Finding the Fourth Proportional to 144,442,141.52, 199,330,133.32 and 82,563,808.72

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Solution

The fourth proportional to 144,442,141.52, 199,330,133.32 and 82,563,808.72 is: 113,938,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,442,141.52 : 199,330,133.32 = 82,563,808.72 : x
  2. Step 2: Convert to fraction form
    144,442,141.52/199,330,133.32 = 82,563,808.72/x
  3. Step 3: Cross multiply
    144,442,141.52x = 199,330,133.32 × 82,563,808.72
  4. Step 4: Simplify right side
    144,442,141.52x = 16,457,454,999,564,578
  5. Step 5: Solve for x
    x = 16,457,454,999,564,578/144,442,141.52
  6. Step 6: Final answer
    x = 113,938,043.47

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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.