Home / 85,281,826.78-117,688,917.94-46,123,602.58

Finding the Fourth Proportional to 85,281,826.78, 117,688,917.94 and 46,123,602.58

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Solution

The fourth proportional to 85,281,826.78, 117,688,917.94 and 46,123,602.58 is: 63,650,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281,826.78 : 117,688,917.94 = 46,123,602.58 : x
  2. Step 2: Convert to fraction form
    85,281,826.78/117,688,917.94 = 46,123,602.58/x
  3. Step 3: Cross multiply
    85,281,826.78x = 117,688,917.94 × 46,123,602.58
  4. Step 4: Simplify right side
    85,281,826.78x = 5,428,236,879,134,792
  5. Step 5: Solve for x
    x = 5,428,236,879,134,792/85,281,826.78
  6. Step 6: Final answer
    x = 63,650,569.93

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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.