Home / 85,536,070.40-128,192,131.20-34,376,211.20

Finding the Fourth Proportional to 85,536,070.40, 128,192,131.20 and 34,376,211.20

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Solution

The fourth proportional to 85,536,070.40, 128,192,131.20 and 34,376,211.20 is: 51,519,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,070.40 : 128,192,131.20 = 34,376,211.20 : x
  2. Step 2: Convert to fraction form
    85,536,070.40/128,192,131.20 = 34,376,211.20/x
  3. Step 3: Cross multiply
    85,536,070.40x = 128,192,131.20 × 34,376,211.20
  4. Step 4: Simplify right side
    85,536,070.40x = 4,406,759,776,309,310
  5. Step 5: Solve for x
    x = 4,406,759,776,309,310/85,536,070.40
  6. Step 6: Final answer
    x = 51,519,315.25

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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.