Home / 122,818,286.78-169,490,055.15-67,064,094.32

Finding the Fourth Proportional to 122,818,286.78, 169,490,055.15 and 67,064,094.32

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Solution

The fourth proportional to 122,818,286.78, 169,490,055.15 and 67,064,094.32 is: 92,548,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,818,286.78 : 169,490,055.15 = 67,064,094.32 : x
  2. Step 2: Convert to fraction form
    122,818,286.78/169,490,055.15 = 67,064,094.32/x
  3. Step 3: Cross multiply
    122,818,286.78x = 169,490,055.15 × 67,064,094.32
  4. Step 4: Simplify right side
    122,818,286.78x = 11,366,697,044,881,602
  5. Step 5: Solve for x
    x = 11,366,697,044,881,602/122,818,286.78
  6. Step 6: Final answer
    x = 92,548,897.59

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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.