Home / 131,795,984.76-181,879,938.45-75,288,214.32

Finding the Fourth Proportional to 131,795,984.76, 181,879,938.45 and 75,288,214.32

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Solution

The fourth proportional to 131,795,984.76, 181,879,938.45 and 75,288,214.32 is: 103,898,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795,984.76 : 181,879,938.45 = 75,288,214.32 : x
  2. Step 2: Convert to fraction form
    131,795,984.76/181,879,938.45 = 75,288,214.32/x
  3. Step 3: Cross multiply
    131,795,984.76x = 181,879,938.45 × 75,288,214.32
  4. Step 4: Simplify right side
    131,795,984.76x = 13,693,415,786,532,006
  5. Step 5: Solve for x
    x = 13,693,415,786,532,006/131,795,984.76
  6. Step 6: Final answer
    x = 103,898,580.91

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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.