Home / 306,925,142.90-460,381,067.11-85,590,577.07

Finding the Fourth Proportional to 306,925,142.90, 460,381,067.11 and 85,590,577.07

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Solution

The fourth proportional to 306,925,142.90, 460,381,067.11 and 85,590,577.07 is: 128,384,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,925,142.90 : 460,381,067.11 = 85,590,577.07 : x
  2. Step 2: Convert to fraction form
    306,925,142.90/460,381,067.11 = 85,590,577.07/x
  3. Step 3: Cross multiply
    306,925,142.90x = 460,381,067.11 × 85,590,577.07
  4. Step 4: Simplify right side
    306,925,142.90x = 39,404,281,205,578,808
  5. Step 5: Solve for x
    x = 39,404,281,205,578,808/306,925,142.90
  6. Step 6: Final answer
    x = 128,384,011.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.