Home / 137,657,623.36-206,488,624.80-76,634,647.24

Finding the Fourth Proportional to 137,657,623.36, 206,488,624.80 and 76,634,647.24

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Solution

The fourth proportional to 137,657,623.36, 206,488,624.80 and 76,634,647.24 is: 114,953,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,657,623.36 : 206,488,624.80 = 76,634,647.24 : x
  2. Step 2: Convert to fraction form
    137,657,623.36/206,488,624.80 = 76,634,647.24/x
  3. Step 3: Cross multiply
    137,657,623.36x = 206,488,624.80 × 76,634,647.24
  4. Step 4: Simplify right side
    137,657,623.36x = 15,824,182,920,620,716
  5. Step 5: Solve for x
    x = 15,824,182,920,620,716/137,657,623.36
  6. Step 6: Final answer
    x = 114,953,189.91

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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.