Home / 115,768,610.40-173,851,981.20-81,927,458.40

Finding the Fourth Proportional to 115,768,610.40, 173,851,981.20 and 81,927,458.40

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Solution

The fourth proportional to 115,768,610.40, 173,851,981.20 and 81,927,458.40 is: 123,032,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,768,610.40 : 173,851,981.20 = 81,927,458.40 : x
  2. Step 2: Convert to fraction form
    115,768,610.40/173,851,981.20 = 81,927,458.40/x
  3. Step 3: Cross multiply
    115,768,610.40x = 173,851,981.20 × 81,927,458.40
  4. Step 4: Simplify right side
    115,768,610.40x = 14,243,250,957,520,582
  5. Step 5: Solve for x
    x = 14,243,250,957,520,582/115,768,610.40
  6. Step 6: Final answer
    x = 123,032,062.91

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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.