Home / 86,166,742.08-118,910,489.76-47,008,400.16

Finding the Fourth Proportional to 86,166,742.08, 118,910,489.76 and 47,008,400.16

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Solution

The fourth proportional to 86,166,742.08, 118,910,489.76 and 47,008,400.16 is: 64,871,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,166,742.08 : 118,910,489.76 = 47,008,400.16 : x
  2. Step 2: Convert to fraction form
    86,166,742.08/118,910,489.76 = 47,008,400.16/x
  3. Step 3: Cross multiply
    86,166,742.08x = 118,910,489.76 × 47,008,400.16
  4. Step 4: Simplify right side
    86,166,742.08x = 5,589,791,885,859,662
  5. Step 5: Solve for x
    x = 5,589,791,885,859,662/86,166,742.08
  6. Step 6: Final answer
    x = 64,871,802.63

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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.