Home / 84,796,254.30-127,194,381.45-70,925,644.20

Finding the Fourth Proportional to 84,796,254.30, 127,194,381.45 and 70,925,644.20

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Solution

The fourth proportional to 84,796,254.30, 127,194,381.45 and 70,925,644.20 is: 106,388,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,796,254.30 : 127,194,381.45 = 70,925,644.20 : x
  2. Step 2: Convert to fraction form
    84,796,254.30/127,194,381.45 = 70,925,644.20/x
  3. Step 3: Cross multiply
    84,796,254.30x = 127,194,381.45 × 70,925,644.20
  4. Step 4: Simplify right side
    84,796,254.30x = 9,021,343,442,961,780
  5. Step 5: Solve for x
    x = 9,021,343,442,961,780/84,796,254.30
  6. Step 6: Final answer
    x = 106,388,466.30

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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.