Home / 153,946,620.80-212,276,088.96-98,103,579.20

Finding the Fourth Proportional to 153,946,620.80, 212,276,088.96 and 98,103,579.20

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Solution

The fourth proportional to 153,946,620.80, 212,276,088.96 and 98,103,579.20 is: 135,274,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,946,620.80 : 212,276,088.96 = 98,103,579.20 : x
  2. Step 2: Convert to fraction form
    153,946,620.80/212,276,088.96 = 98,103,579.20/x
  3. Step 3: Cross multiply
    153,946,620.80x = 212,276,088.96 × 98,103,579.20
  4. Step 4: Simplify right side
    153,946,620.80x = 20,825,044,105,553,608
  5. Step 5: Solve for x
    x = 20,825,044,105,553,608/153,946,620.80
  6. Step 6: Final answer
    x = 135,274,447.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.