Home / 64,810,734.78-89,445,745.14-39,709,502.28

Finding the Fourth Proportional to 64,810,734.78, 89,445,745.14 and 39,709,502.28

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Solution

The fourth proportional to 64,810,734.78, 89,445,745.14 and 39,709,502.28 is: 54,803,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,810,734.78 : 89,445,745.14 = 39,709,502.28 : x
  2. Step 2: Convert to fraction form
    64,810,734.78/89,445,745.14 = 39,709,502.28/x
  3. Step 3: Cross multiply
    64,810,734.78x = 89,445,745.14 × 39,709,502.28
  4. Step 4: Simplify right side
    64,810,734.78x = 3,551,846,020,573,129
  5. Step 5: Solve for x
    x = 3,551,846,020,573,129/64,810,734.78
  6. Step 6: Final answer
    x = 54,803,359.85

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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.