Home / 199,270,263.08-275,047,658.75-115,665,328.59

Finding the Fourth Proportional to 199,270,263.08, 275,047,658.75 and 115,665,328.59

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Solution

The fourth proportional to 199,270,263.08, 275,047,658.75 and 115,665,328.59 is: 159,649,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,270,263.08 : 275,047,658.75 = 115,665,328.59 : x
  2. Step 2: Convert to fraction form
    199,270,263.08/275,047,658.75 = 115,665,328.59/x
  3. Step 3: Cross multiply
    199,270,263.08x = 275,047,658.75 × 115,665,328.59
  4. Step 4: Simplify right side
    199,270,263.08x = 31,813,477,827,518,104
  5. Step 5: Solve for x
    x = 31,813,477,827,518,104/199,270,263.08
  6. Step 6: Final answer
    x = 159,649,901.28

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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.