Home / 103,624,627.60-155,436,941.40-31,811,712.40

Finding the Fourth Proportional to 103,624,627.60, 155,436,941.40 and 31,811,712.40

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Solution

The fourth proportional to 103,624,627.60, 155,436,941.40 and 31,811,712.40 is: 47,717,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624,627.60 : 155,436,941.40 = 31,811,712.40 : x
  2. Step 2: Convert to fraction form
    103,624,627.60/155,436,941.40 = 31,811,712.40/x
  3. Step 3: Cross multiply
    103,624,627.60x = 155,436,941.40 × 31,811,712.40
  4. Step 4: Simplify right side
    103,624,627.60x = 4,944,715,276,152,453
  5. Step 5: Solve for x
    x = 4,944,715,276,152,453/103,624,627.60
  6. Step 6: Final answer
    x = 47,717,568.60

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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.