Home / 35,257,981.40-52,886,972.10-20,113,443.80

Finding the Fourth Proportional to 35,257,981.40, 52,886,972.10 and 20,113,443.80

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Solution

The fourth proportional to 35,257,981.40, 52,886,972.10 and 20,113,443.80 is: 30,170,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257,981.40 : 52,886,972.10 = 20,113,443.80 : x
  2. Step 2: Convert to fraction form
    35,257,981.40/52,886,972.10 = 20,113,443.80/x
  3. Step 3: Cross multiply
    35,257,981.40x = 52,886,972.10 × 20,113,443.80
  4. Step 4: Simplify right side
    35,257,981.40x = 1,063,739,141,085,518
  5. Step 5: Solve for x
    x = 1,063,739,141,085,518/35,257,981.40
  6. Step 6: Final answer
    x = 30,170,165.70

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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.