Home / 75,470,940.80-113,206,411.20-74,799,094.40

Finding the Fourth Proportional to 75,470,940.80, 113,206,411.20 and 74,799,094.40

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Solution

The fourth proportional to 75,470,940.80, 113,206,411.20 and 74,799,094.40 is: 112,198,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,470,940.80 : 113,206,411.20 = 74,799,094.40 : x
  2. Step 2: Convert to fraction form
    75,470,940.80/113,206,411.20 = 74,799,094.40/x
  3. Step 3: Cross multiply
    75,470,940.80x = 113,206,411.20 × 74,799,094.40
  4. Step 4: Simplify right side
    75,470,940.80x = 8,467,737,038,034,018
  5. Step 5: Solve for x
    x = 8,467,737,038,034,018/75,470,940.80
  6. Step 6: Final answer
    x = 112,198,641.60

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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.