Home / 85,280,439.51-117,687,006.63-46,122,216.08

Finding the Fourth Proportional to 85,280,439.51, 117,687,006.63 and 46,122,216.08

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Solution

The fourth proportional to 85,280,439.51, 117,687,006.63 and 46,122,216.08 is: 63,648,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280,439.51 : 117,687,006.63 = 46,122,216.08 : x
  2. Step 2: Convert to fraction form
    85,280,439.51/117,687,006.63 = 46,122,216.08/x
  3. Step 3: Cross multiply
    85,280,439.51x = 117,687,006.63 × 46,122,216.08
  4. Step 4: Simplify right side
    85,280,439.51x = 5,427,985,549,008,818
  5. Step 5: Solve for x
    x = 5,427,985,549,008,818/85,280,439.51
  6. Step 6: Final answer
    x = 63,648,658.24

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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.