Home / 127,521,980.09-191,083,679.75-88,736,211.87

Finding the Fourth Proportional to 127,521,980.09, 191,083,679.75 and 88,736,211.87

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Solution

The fourth proportional to 127,521,980.09, 191,083,679.75 and 88,736,211.87 is: 132,965,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,521,980.09 : 191,083,679.75 = 88,736,211.87 : x
  2. Step 2: Convert to fraction form
    127,521,980.09/191,083,679.75 = 88,736,211.87/x
  3. Step 3: Cross multiply
    127,521,980.09x = 191,083,679.75 × 88,736,211.87
  4. Step 4: Simplify right side
    127,521,980.09x = 16,956,041,890,751,548
  5. Step 5: Solve for x
    x = 16,956,041,890,751,548/127,521,980.09
  6. Step 6: Final answer
    x = 132,965,641.53

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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.