Home / 69,943,630.80-104,915,446.20-39,710,542.80

Finding the Fourth Proportional to 69,943,630.80, 104,915,446.20 and 39,710,542.80

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Solution

The fourth proportional to 69,943,630.80, 104,915,446.20 and 39,710,542.80 is: 59,565,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943,630.80 : 104,915,446.20 = 39,710,542.80 : x
  2. Step 2: Convert to fraction form
    69,943,630.80/104,915,446.20 = 39,710,542.80/x
  3. Step 3: Cross multiply
    69,943,630.80x = 104,915,446.20 × 39,710,542.80
  4. Step 4: Simplify right side
    69,943,630.80x = 4,166,249,316,706,197
  5. Step 5: Solve for x
    x = 4,166,249,316,706,197/69,943,630.80
  6. Step 6: Final answer
    x = 59,565,814.20

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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.