Home / 306,925,145.02-460,381,070.30-85,590,579.19

Finding the Fourth Proportional to 306,925,145.02, 460,381,070.30 and 85,590,579.19

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Solution

The fourth proportional to 306,925,145.02, 460,381,070.30 and 85,590,579.19 is: 128,384,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,925,145.02 : 460,381,070.30 = 85,590,579.19 : x
  2. Step 2: Convert to fraction form
    306,925,145.02/460,381,070.30 = 85,590,579.19/x
  3. Step 3: Cross multiply
    306,925,145.02x = 460,381,070.30 × 85,590,579.19
  4. Step 4: Simplify right side
    306,925,145.02x = 39,404,282,455,089,104
  5. Step 5: Solve for x
    x = 39,404,282,455,089,104/306,925,145.02
  6. Step 6: Final answer
    x = 128,384,015.11

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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.