Home / 72,827,569.80-109,241,354.70-69,468,337.80

Finding the Fourth Proportional to 72,827,569.80, 109,241,354.70 and 69,468,337.80

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Solution

The fourth proportional to 72,827,569.80, 109,241,354.70 and 69,468,337.80 is: 104,202,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,569.80 : 109,241,354.70 = 69,468,337.80 : x
  2. Step 2: Convert to fraction form
    72,827,569.80/109,241,354.70 = 69,468,337.80/x
  3. Step 3: Cross multiply
    72,827,569.80x = 109,241,354.70 × 69,468,337.80
  4. Step 4: Simplify right side
    72,827,569.80x = 7,588,815,330,029,218
  5. Step 5: Solve for x
    x = 7,588,815,330,029,218/72,827,569.80
  6. Step 6: Final answer
    x = 104,202,506.70

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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.