Home / 61,480,142.64-92,216,889.72-31,187,218.32

Finding the Fourth Proportional to 61,480,142.64, 92,216,889.72 and 31,187,218.32

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Solution

The fourth proportional to 61,480,142.64, 92,216,889.72 and 31,187,218.32 is: 46,779,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480,142.64 : 92,216,889.72 = 31,187,218.32 : x
  2. Step 2: Convert to fraction form
    61,480,142.64/92,216,889.72 = 31,187,218.32/x
  3. Step 3: Cross multiply
    61,480,142.64x = 92,216,889.72 × 31,187,218.32
  4. Step 4: Simplify right side
    61,480,142.64x = 2,875,988,272,489,003.50
  5. Step 5: Solve for x
    x = 2,875,988,272,489,003.50/61,480,142.64
  6. Step 6: Final answer
    x = 46,779,141.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.