Home / 66,389,545.69-91,617,573.08-38,887,473.94

Finding the Fourth Proportional to 66,389,545.69, 91,617,573.08 and 38,887,473.94

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Solution

The fourth proportional to 66,389,545.69, 91,617,573.08 and 38,887,473.94 is: 53,664,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389,545.69 : 91,617,573.08 = 38,887,473.94 : x
  2. Step 2: Convert to fraction form
    66,389,545.69/91,617,573.08 = 38,887,473.94/x
  3. Step 3: Cross multiply
    66,389,545.69x = 91,617,573.08 × 38,887,473.94
  4. Step 4: Simplify right side
    66,389,545.69x = 3,562,775,985,462,720
  5. Step 5: Solve for x
    x = 3,562,775,985,462,720/66,389,545.69
  6. Step 6: Final answer
    x = 53,664,714.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.