Home / 85,282,155.82-117,689,374.20-46,123,931.44

Finding the Fourth Proportional to 85,282,155.82, 117,689,374.20 and 46,123,931.44

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Solution

The fourth proportional to 85,282,155.82, 117,689,374.20 and 46,123,931.44 is: 63,651,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282,155.82 : 117,689,374.20 = 46,123,931.44 : x
  2. Step 2: Convert to fraction form
    85,282,155.82/117,689,374.20 = 46,123,931.44/x
  3. Step 3: Cross multiply
    85,282,155.82x = 117,689,374.20 × 46,123,931.44
  4. Step 4: Simplify right side
    85,282,155.82x = 5,428,296,626,817,305
  5. Step 5: Solve for x
    x = 5,428,296,626,817,305/85,282,155.82
  6. Step 6: Final answer
    x = 63,651,024.94

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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.