Home / 306,925,153.40-460,381,082.85-85,590,587.58

Finding the Fourth Proportional to 306,925,153.40, 460,381,082.85 and 85,590,587.58

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Solution

The fourth proportional to 306,925,153.40, 460,381,082.85 and 85,590,587.58 is: 128,384,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,925,153.40 : 460,381,082.85 = 85,590,587.58 : x
  2. Step 2: Convert to fraction form
    306,925,153.40/460,381,082.85 = 85,590,587.58/x
  3. Step 3: Cross multiply
    306,925,153.40x = 460,381,082.85 × 85,590,587.58
  4. Step 4: Simplify right side
    306,925,153.40x = 39,404,287,391,848,160
  5. Step 5: Solve for x
    x = 39,404,287,391,848,160/306,925,153.40
  6. Step 6: Final answer
    x = 128,384,027.69

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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.