Home / 117,778,223.80-162,539,313.08-65,570,575.32

Finding the Fourth Proportional to 117,778,223.80, 162,539,313.08 and 65,570,575.32

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Solution

The fourth proportional to 117,778,223.80, 162,539,313.08 and 65,570,575.32 is: 90,490,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,778,223.80 : 162,539,313.08 = 65,570,575.32 : x
  2. Step 2: Convert to fraction form
    117,778,223.80/162,539,313.08 = 65,570,575.32/x
  3. Step 3: Cross multiply
    117,778,223.80x = 162,539,313.08 × 65,570,575.32
  4. Step 4: Simplify right side
    117,778,223.80x = 10,657,796,270,773,202
  5. Step 5: Solve for x
    x = 10,657,796,270,773,202/117,778,223.80
  6. Step 6: Final answer
    x = 90,490,380.37

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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.