Home / 317,067,637.86-475,445,856.56-130,287,745.26

Finding the Fourth Proportional to 317,067,637.86, 475,445,856.56 and 130,287,745.26

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Solution

The fourth proportional to 317,067,637.86, 475,445,856.56 and 130,287,745.26 is: 195,367,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,067,637.86 : 475,445,856.56 = 130,287,745.26 : x
  2. Step 2: Convert to fraction form
    317,067,637.86/475,445,856.56 = 130,287,745.26/x
  3. Step 3: Cross multiply
    317,067,637.86x = 475,445,856.56 × 130,287,745.26
  4. Step 4: Simplify right side
    317,067,637.86x = 61,944,768,644,411,784
  5. Step 5: Solve for x
    x = 61,944,768,644,411,784/317,067,637.86
  6. Step 6: Final answer
    x = 195,367,679.47

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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.