Home / 350,376,018.80-525,564,028.20-168,977,490.80

Finding the Fourth Proportional to 350,376,018.80, 525,564,028.20 and 168,977,490.80

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Solution

The fourth proportional to 350,376,018.80, 525,564,028.20 and 168,977,490.80 is: 253,466,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,376,018.80 : 525,564,028.20 = 168,977,490.80 : x
  2. Step 2: Convert to fraction form
    350,376,018.80/525,564,028.20 = 168,977,490.80/x
  3. Step 3: Cross multiply
    350,376,018.80x = 525,564,028.20 × 168,977,490.80
  4. Step 4: Simplify right side
    350,376,018.80x = 88,808,490,739,976,448
  5. Step 5: Solve for x
    x = 88,808,490,739,976,448/350,376,018.80
  6. Step 6: Final answer
    x = 253,466,236.20

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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.