Home / 55,020,605.08-75,929,224.08-30,243,085.78

Finding the Fourth Proportional to 55,020,605.08, 75,929,224.08 and 30,243,085.78

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Solution

The fourth proportional to 55,020,605.08, 75,929,224.08 and 30,243,085.78 is: 41,735,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020,605.08 : 75,929,224.08 = 30,243,085.78 : x
  2. Step 2: Convert to fraction form
    55,020,605.08/75,929,224.08 = 30,243,085.78/x
  3. Step 3: Cross multiply
    55,020,605.08x = 75,929,224.08 × 30,243,085.78
  4. Step 4: Simplify right side
    55,020,605.08x = 2,296,334,037,060,281.50
  5. Step 5: Solve for x
    x = 2,296,334,037,060,281.50/55,020,605.08
  6. Step 6: Final answer
    x = 41,735,892.10

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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.