Home / 103,526,443.40-155,289,665.10-30,754,455.80

Finding the Fourth Proportional to 103,526,443.40, 155,289,665.10 and 30,754,455.80

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Solution

The fourth proportional to 103,526,443.40, 155,289,665.10 and 30,754,455.80 is: 46,131,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526,443.40 : 155,289,665.10 = 30,754,455.80 : x
  2. Step 2: Convert to fraction form
    103,526,443.40/155,289,665.10 = 30,754,455.80/x
  3. Step 3: Cross multiply
    103,526,443.40x = 155,289,665.10 × 30,754,455.80
  4. Step 4: Simplify right side
    103,526,443.40x = 4,775,849,141,514,753
  5. Step 5: Solve for x
    x = 4,775,849,141,514,753/103,526,443.40
  6. Step 6: Final answer
    x = 46,131,683.70

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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.