Home / 117,064,946.22-161,537,842.95-64,844,226.78

Finding the Fourth Proportional to 117,064,946.22, 161,537,842.95 and 64,844,226.78

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Solution

The fourth proportional to 117,064,946.22, 161,537,842.95 and 64,844,226.78 is: 89,478,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,064,946.22 : 161,537,842.95 = 64,844,226.78 : x
  2. Step 2: Convert to fraction form
    117,064,946.22/161,537,842.95 = 64,844,226.78/x
  3. Step 3: Cross multiply
    117,064,946.22x = 161,537,842.95 × 64,844,226.78
  4. Step 4: Simplify right side
    117,064,946.22x = 10,474,796,521,801,824
  5. Step 5: Solve for x
    x = 10,474,796,521,801,824/117,064,946.22
  6. Step 6: Final answer
    x = 89,478,506.25

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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.