Home / 342,087,950.47-472,116,557.42-208,135,376.41

Finding the Fourth Proportional to 342,087,950.47, 472,116,557.42 and 208,135,376.41

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Solution

The fourth proportional to 342,087,950.47, 472,116,557.42 and 208,135,376.41 is: 287,248,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,087,950.47 : 472,116,557.42 = 208,135,376.41 : x
  2. Step 2: Convert to fraction form
    342,087,950.47/472,116,557.42 = 208,135,376.41/x
  3. Step 3: Cross multiply
    342,087,950.47x = 472,116,557.42 × 208,135,376.41
  4. Step 4: Simplify right side
    342,087,950.47x = 98,264,157,388,005,088
  5. Step 5: Solve for x
    x = 98,264,157,388,005,088/342,087,950.47
  6. Step 6: Final answer
    x = 287,248,227.40

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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.