Home / 64,892,278.63-89,455,937.65-49,395,371.59

Finding the Fourth Proportional to 64,892,278.63, 89,455,937.65 and 49,395,371.59

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Solution

The fourth proportional to 64,892,278.63, 89,455,937.65 and 49,395,371.59 is: 68,092,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,892,278.63 : 89,455,937.65 = 49,395,371.59 : x
  2. Step 2: Convert to fraction form
    64,892,278.63/89,455,937.65 = 49,395,371.59/x
  3. Step 3: Cross multiply
    64,892,278.63x = 89,455,937.65 × 49,395,371.59
  4. Step 4: Simplify right side
    64,892,278.63x = 4,418,709,281,153,622
  5. Step 5: Solve for x
    x = 4,418,709,281,153,622/64,892,278.63
  6. Step 6: Final answer
    x = 68,092,990.02

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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.