Home / 51,502,209.60-77,241,329.40-19,169,339.16

Finding the Fourth Proportional to 51,502,209.60, 77,241,329.40 and 19,169,339.16

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Solution

The fourth proportional to 51,502,209.60, 77,241,329.40 and 19,169,339.16 is: 28,749,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502,209.60 : 77,241,329.40 = 19,169,339.16 : x
  2. Step 2: Convert to fraction form
    51,502,209.60/77,241,329.40 = 19,169,339.16/x
  3. Step 3: Cross multiply
    51,502,209.60x = 77,241,329.40 × 19,169,339.16
  4. Step 4: Simplify right side
    51,502,209.60x = 1,480,665,240,437,879.50
  5. Step 5: Solve for x
    x = 1,480,665,240,437,879.50/51,502,209.60
  6. Step 6: Final answer
    x = 28,749,547.87

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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.