Home / 85,340,155.14-117,769,411.08-46,181,931.48

Finding the Fourth Proportional to 85,340,155.14, 117,769,411.08 and 46,181,931.48

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Solution

The fourth proportional to 85,340,155.14, 117,769,411.08 and 46,181,931.48 is: 63,731,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340,155.14 : 117,769,411.08 = 46,181,931.48 : x
  2. Step 2: Convert to fraction form
    85,340,155.14/117,769,411.08 = 46,181,931.48/x
  3. Step 3: Cross multiply
    85,340,155.14x = 117,769,411.08 × 46,181,931.48
  4. Step 4: Simplify right side
    85,340,155.14x = 5,438,818,872,936,512
  5. Step 5: Solve for x
    x = 5,438,818,872,936,512/85,340,155.14
  6. Step 6: Final answer
    x = 63,731,063.81

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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.