Home / 103,590,433.60-155,385,650.40-99,167,444.80

Finding the Fourth Proportional to 103,590,433.60, 155,385,650.40 and 99,167,444.80

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Solution

The fourth proportional to 103,590,433.60, 155,385,650.40 and 99,167,444.80 is: 148,751,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,590,433.60 : 155,385,650.40 = 99,167,444.80 : x
  2. Step 2: Convert to fraction form
    103,590,433.60/155,385,650.40 = 99,167,444.80/x
  3. Step 3: Cross multiply
    103,590,433.60x = 155,385,650.40 × 99,167,444.80
  4. Step 4: Simplify right side
    103,590,433.60x = 15,409,197,908,754,098
  5. Step 5: Solve for x
    x = 15,409,197,908,754,098/103,590,433.60
  6. Step 6: Final answer
    x = 148,751,167.20

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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.