Home / 122,345,964.60-168,851,808.04-68,709,440.58

Finding the Fourth Proportional to 122,345,964.60, 168,851,808.04 and 68,709,440.58

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Solution

The fourth proportional to 122,345,964.60, 168,851,808.04 and 68,709,440.58 is: 94,827,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,345,964.60 : 168,851,808.04 = 68,709,440.58 : x
  2. Step 2: Convert to fraction form
    122,345,964.60/168,851,808.04 = 68,709,440.58/x
  3. Step 3: Cross multiply
    122,345,964.60x = 168,851,808.04 × 68,709,440.58
  4. Step 4: Simplify right side
    122,345,964.60x = 11,601,713,271,349,946
  5. Step 5: Solve for x
    x = 11,601,713,271,349,946/122,345,964.60
  6. Step 6: Final answer
    x = 94,827,102.06

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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.