Home / 261,622,166.80-392,433,250.20-237,388,457.20

Finding the Fourth Proportional to 261,622,166.80, 392,433,250.20 and 237,388,457.20

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Solution

The fourth proportional to 261,622,166.80, 392,433,250.20 and 237,388,457.20 is: 356,082,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,622,166.80 : 392,433,250.20 = 237,388,457.20 : x
  2. Step 2: Convert to fraction form
    261,622,166.80/392,433,250.20 = 237,388,457.20/x
  3. Step 3: Cross multiply
    261,622,166.80x = 392,433,250.20 × 237,388,457.20
  4. Step 4: Simplify right side
    261,622,166.80x = 93,159,123,818,959,584
  5. Step 5: Solve for x
    x = 93,159,123,818,959,584/261,622,166.80
  6. Step 6: Final answer
    x = 356,082,685.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.