Home / 144,815,622.80-217,223,434.20-53,920,403.60

Finding the Fourth Proportional to 144,815,622.80, 217,223,434.20 and 53,920,403.60

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Solution

The fourth proportional to 144,815,622.80, 217,223,434.20 and 53,920,403.60 is: 80,880,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,815,622.80 : 217,223,434.20 = 53,920,403.60 : x
  2. Step 2: Convert to fraction form
    144,815,622.80/217,223,434.20 = 53,920,403.60/x
  3. Step 3: Cross multiply
    144,815,622.80x = 217,223,434.20 × 53,920,403.60
  4. Step 4: Simplify right side
    144,815,622.80x = 11,712,775,243,442,042
  5. Step 5: Solve for x
    x = 11,712,775,243,442,042/144,815,622.80
  6. Step 6: Final answer
    x = 80,880,605.40

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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.