Home / 105,489,903.60-158,234,855.40-103,600,335.60

Finding the Fourth Proportional to 105,489,903.60, 158,234,855.40 and 103,600,335.60

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Solution

The fourth proportional to 105,489,903.60, 158,234,855.40 and 103,600,335.60 is: 155,400,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489,903.60 : 158,234,855.40 = 103,600,335.60 : x
  2. Step 2: Convert to fraction form
    105,489,903.60/158,234,855.40 = 103,600,335.60/x
  3. Step 3: Cross multiply
    105,489,903.60x = 158,234,855.40 × 103,600,335.60
  4. Step 4: Simplify right side
    105,489,903.60x = 16,393,184,123,057,472
  5. Step 5: Solve for x
    x = 16,393,184,123,057,472/105,489,903.60
  6. Step 6: Final answer
    x = 155,400,503.40

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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.