Home / 86,036,368.80-129,054,553.20-66,552,823.20

Finding the Fourth Proportional to 86,036,368.80, 129,054,553.20 and 66,552,823.20

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Solution

The fourth proportional to 86,036,368.80, 129,054,553.20 and 66,552,823.20 is: 99,829,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,036,368.80 : 129,054,553.20 = 66,552,823.20 : x
  2. Step 2: Convert to fraction form
    86,036,368.80/129,054,553.20 = 66,552,823.20/x
  3. Step 3: Cross multiply
    86,036,368.80x = 129,054,553.20 × 66,552,823.20
  4. Step 4: Simplify right side
    86,036,368.80x = 8,588,944,862,274,595
  5. Step 5: Solve for x
    x = 8,588,944,862,274,595/86,036,368.80
  6. Step 6: Final answer
    x = 99,829,234.80

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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.