Home / 99,617,077.22-137,515,647.80-64,352,077.09

Finding the Fourth Proportional to 99,617,077.22, 137,515,647.80 and 64,352,077.09

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Solution

The fourth proportional to 99,617,077.22, 137,515,647.80 and 64,352,077.09 is: 88,834,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,617,077.22 : 137,515,647.80 = 64,352,077.09 : x
  2. Step 2: Convert to fraction form
    99,617,077.22/137,515,647.80 = 64,352,077.09/x
  3. Step 3: Cross multiply
    99,617,077.22x = 137,515,647.80 × 64,352,077.09
  4. Step 4: Simplify right side
    99,617,077.22x = 8,849,417,567,619,312
  5. Step 5: Solve for x
    x = 8,849,417,567,619,312/99,617,077.22
  6. Step 6: Final answer
    x = 88,834,342.61

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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.