Home / 122,316,311.61-168,796,533.69-67,312,168.11

Finding the Fourth Proportional to 122,316,311.61, 168,796,533.69 and 67,312,168.11

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Solution

The fourth proportional to 122,316,311.61, 168,796,533.69 and 67,312,168.11 is: 92,890,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,316,311.61 : 168,796,533.69 = 67,312,168.11 : x
  2. Step 2: Convert to fraction form
    122,316,311.61/168,796,533.69 = 67,312,168.11/x
  3. Step 3: Cross multiply
    122,316,311.61x = 168,796,533.69 × 67,312,168.11
  4. Step 4: Simplify right side
    122,316,311.61x = 11,362,060,652,126,558
  5. Step 5: Solve for x
    x = 11,362,060,652,126,558/122,316,311.61
  6. Step 6: Final answer
    x = 92,890,805.02

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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.