Home / 103,435,909.80-155,153,864.70-94,701,906.60

Finding the Fourth Proportional to 103,435,909.80, 155,153,864.70 and 94,701,906.60

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Solution

The fourth proportional to 103,435,909.80, 155,153,864.70 and 94,701,906.60 is: 142,052,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435,909.80 : 155,153,864.70 = 94,701,906.60 : x
  2. Step 2: Convert to fraction form
    103,435,909.80/155,153,864.70 = 94,701,906.60/x
  3. Step 3: Cross multiply
    103,435,909.80x = 155,153,864.70 × 94,701,906.60
  4. Step 4: Simplify right side
    103,435,909.80x = 14,693,366,803,448,434
  5. Step 5: Solve for x
    x = 14,693,366,803,448,434/103,435,909.80
  6. Step 6: Final answer
    x = 142,052,859.90

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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.