Home / 342,087,947.11-472,116,552.77-208,135,373.04

Finding the Fourth Proportional to 342,087,947.11, 472,116,552.77 and 208,135,373.04

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Solution

The fourth proportional to 342,087,947.11, 472,116,552.77 and 208,135,373.04 is: 287,248,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,087,947.11 : 472,116,552.77 = 208,135,373.04 : x
  2. Step 2: Convert to fraction form
    342,087,947.11/472,116,552.77 = 208,135,373.04/x
  3. Step 3: Cross multiply
    342,087,947.11x = 472,116,552.77 × 208,135,373.04
  4. Step 4: Simplify right side
    342,087,947.11x = 98,264,154,830,481,008
  5. Step 5: Solve for x
    x = 98,264,154,830,481,008/342,087,947.11
  6. Step 6: Final answer
    x = 287,248,222.74

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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.