Home / 139,968,793.65-209,953,190.48-105,956,569.65

Finding the Fourth Proportional to 139,968,793.65, 209,953,190.48 and 105,956,569.65

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Solution

The fourth proportional to 139,968,793.65, 209,953,190.48 and 105,956,569.65 is: 158,934,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,793.65 : 209,953,190.48 = 105,956,569.65 : x
  2. Step 2: Convert to fraction form
    139,968,793.65/209,953,190.48 = 105,956,569.65/x
  3. Step 3: Cross multiply
    139,968,793.65x = 209,953,190.48 × 105,956,569.65
  4. Step 4: Simplify right side
    139,968,793.65x = 22,245,919,849,804,056
  5. Step 5: Solve for x
    x = 22,245,919,849,804,056/139,968,793.65
  6. Step 6: Final answer
    x = 158,934,854.48

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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.