Home / 123,255,931.48-170,091,094.12-68,250,607

Finding the Fourth Proportional to 123,255,931.48, 170,091,094.12 and 68,250,607

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Solution

The fourth proportional to 123,255,931.48, 170,091,094.12 and 68,250,607 is: 94,184,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,255,931.48 : 170,091,094.12 = 68,250,607 : x
  2. Step 2: Convert to fraction form
    123,255,931.48/170,091,094.12 = 68,250,607/x
  3. Step 3: Cross multiply
    123,255,931.48x = 170,091,094.12 × 68,250,607
  4. Step 4: Simplify right side
    123,255,931.48x = 11,608,820,418,984,132
  5. Step 5: Solve for x
    x = 11,608,820,418,984,132/123,255,931.48
  6. Step 6: Final answer
    x = 94,184,679.63

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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.