Home / 116,885,631.95-161,302,361.05-64,676,868.11

Finding the Fourth Proportional to 116,885,631.95, 161,302,361.05 and 64,676,868.11

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Solution

The fourth proportional to 116,885,631.95, 161,302,361.05 and 64,676,868.11 is: 89,254,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885,631.95 : 161,302,361.05 = 64,676,868.11 : x
  2. Step 2: Convert to fraction form
    116,885,631.95/161,302,361.05 = 64,676,868.11/x
  3. Step 3: Cross multiply
    116,885,631.95x = 161,302,361.05 × 64,676,868.11
  4. Step 4: Simplify right side
    116,885,631.95x = 10,432,531,531,946,554
  5. Step 5: Solve for x
    x = 10,432,531,531,946,554/116,885,631.95
  6. Step 6: Final answer
    x = 89,254,182.55

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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.