Home / 71,331,673.32-98,467,840.98-48,158,188.20

Finding the Fourth Proportional to 71,331,673.32, 98,467,840.98 and 48,158,188.20

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Solution

The fourth proportional to 71,331,673.32, 98,467,840.98 and 48,158,188.20 is: 66,478,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331,673.32 : 98,467,840.98 = 48,158,188.20 : x
  2. Step 2: Convert to fraction form
    71,331,673.32/98,467,840.98 = 48,158,188.20/x
  3. Step 3: Cross multiply
    71,331,673.32x = 98,467,840.98 × 48,158,188.20
  4. Step 4: Simplify right side
    71,331,673.32x = 4,742,032,817,562,513
  5. Step 5: Solve for x
    x = 4,742,032,817,562,513/71,331,673.32
  6. Step 6: Final answer
    x = 66,478,642.61

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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.