Home / 103,514,135.70-155,139,327.45-55,015,223.70

Finding the Fourth Proportional to 103,514,135.70, 155,139,327.45 and 55,015,223.70

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Solution

The fourth proportional to 103,514,135.70, 155,139,327.45 and 55,015,223.70 is: 82,452,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,514,135.70 : 155,139,327.45 = 55,015,223.70 : x
  2. Step 2: Convert to fraction form
    103,514,135.70/155,139,327.45 = 55,015,223.70/x
  3. Step 3: Cross multiply
    103,514,135.70x = 155,139,327.45 × 55,015,223.70
  4. Step 4: Simplify right side
    103,514,135.70x = 8,535,024,804,329,300
  5. Step 5: Solve for x
    x = 8,535,024,804,329,300/103,514,135.70
  6. Step 6: Final answer
    x = 82,452,746.64

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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.