Home / 74,117,577.02-102,222,616.55-65,157,529.34

Finding the Fourth Proportional to 74,117,577.02, 102,222,616.55 and 65,157,529.34

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Solution

The fourth proportional to 74,117,577.02, 102,222,616.55 and 65,157,529.34 is: 89,864,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117,577.02 : 102,222,616.55 = 65,157,529.34 : x
  2. Step 2: Convert to fraction form
    74,117,577.02/102,222,616.55 = 65,157,529.34/x
  3. Step 3: Cross multiply
    74,117,577.02x = 102,222,616.55 × 65,157,529.34
  4. Step 4: Simplify right side
    74,117,577.02x = 6,660,573,136,997,964
  5. Step 5: Solve for x
    x = 6,660,573,136,997,964/74,117,577.02
  6. Step 6: Final answer
    x = 89,864,960.58

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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.