Home / 258,559,345.74-356,718,659.01-199,038,845.55

Finding the Fourth Proportional to 258,559,345.74, 356,718,659.01 and 199,038,845.55

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Solution

The fourth proportional to 258,559,345.74, 356,718,659.01 and 199,038,845.55 is: 274,601,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,559,345.74 : 356,718,659.01 = 199,038,845.55 : x
  2. Step 2: Convert to fraction form
    258,559,345.74/356,718,659.01 = 199,038,845.55/x
  3. Step 3: Cross multiply
    258,559,345.74x = 356,718,659.01 × 199,038,845.55
  4. Step 4: Simplify right side
    258,559,345.74x = 71,000,870,075,198,064
  5. Step 5: Solve for x
    x = 71,000,870,075,198,064/258,559,345.74
  6. Step 6: Final answer
    x = 274,601,832.21

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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.