Home / 122,975,999.80-184,264,934.10-77,456,332.60

Finding the Fourth Proportional to 122,975,999.80, 184,264,934.10 and 77,456,332.60

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Solution

The fourth proportional to 122,975,999.80, 184,264,934.10 and 77,456,332.60 is: 116,059,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,975,999.80 : 184,264,934.10 = 77,456,332.60 : x
  2. Step 2: Convert to fraction form
    122,975,999.80/184,264,934.10 = 77,456,332.60/x
  3. Step 3: Cross multiply
    122,975,999.80x = 184,264,934.10 × 77,456,332.60
  4. Step 4: Simplify right side
    122,975,999.80x = 14,272,486,022,166,680
  5. Step 5: Solve for x
    x = 14,272,486,022,166,680/122,975,999.80
  6. Step 6: Final answer
    x = 116,059,117.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.