Home / 122,316,410.40-168,796,670.40-67,312,267.20

Finding the Fourth Proportional to 122,316,410.40, 168,796,670.40 and 67,312,267.20

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Solution

The fourth proportional to 122,316,410.40, 168,796,670.40 and 67,312,267.20 is: 92,890,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,316,410.40 : 168,796,670.40 = 67,312,267.20 : x
  2. Step 2: Convert to fraction form
    122,316,410.40/168,796,670.40 = 67,312,267.20/x
  3. Step 3: Cross multiply
    122,316,410.40x = 168,796,670.40 × 67,312,267.20
  4. Step 4: Simplify right side
    122,316,410.40x = 11,362,086,580,435,132
  5. Step 5: Solve for x
    x = 11,362,086,580,435,132/122,316,410.40
  6. Step 6: Final answer
    x = 92,890,941.97

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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.