Home / 80,482,804.16-111,090,355.02-47,001,314.68

Finding the Fourth Proportional to 80,482,804.16, 111,090,355.02 and 47,001,314.68

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Solution

The fourth proportional to 80,482,804.16, 111,090,355.02 and 47,001,314.68 is: 64,875,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,482,804.16 : 111,090,355.02 = 47,001,314.68 : x
  2. Step 2: Convert to fraction form
    80,482,804.16/111,090,355.02 = 47,001,314.68/x
  3. Step 3: Cross multiply
    80,482,804.16x = 111,090,355.02 × 47,001,314.68
  4. Step 4: Simplify right side
    80,482,804.16x = 5,221,392,733,930,212
  5. Step 5: Solve for x
    x = 5,221,392,733,930,212/80,482,804.16
  6. Step 6: Final answer
    x = 64,875,879.87

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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.