Home / 85,281,158.61-117,687,998.93-46,122,935.36

Finding the Fourth Proportional to 85,281,158.61, 117,687,998.93 and 46,122,935.36

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Solution

The fourth proportional to 85,281,158.61, 117,687,998.93 and 46,122,935.36 is: 63,649,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281,158.61 : 117,687,998.93 = 46,122,935.36 : x
  2. Step 2: Convert to fraction form
    85,281,158.61/117,687,998.93 = 46,122,935.36/x
  3. Step 3: Cross multiply
    85,281,158.61x = 117,687,998.93 × 46,122,935.36
  4. Step 4: Simplify right side
    85,281,158.61x = 5,428,115,966,477,084
  5. Step 5: Solve for x
    x = 5,428,115,966,477,084/85,281,158.61
  6. Step 6: Final answer
    x = 63,649,650.81

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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.