Home / 101,376,071.40-152,064,107.10-99,360,532.20

Finding the Fourth Proportional to 101,376,071.40, 152,064,107.10 and 99,360,532.20

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Solution

The fourth proportional to 101,376,071.40, 152,064,107.10 and 99,360,532.20 is: 149,040,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,071.40 : 152,064,107.10 = 99,360,532.20 : x
  2. Step 2: Convert to fraction form
    101,376,071.40/152,064,107.10 = 99,360,532.20/x
  3. Step 3: Cross multiply
    101,376,071.40x = 152,064,107.10 × 99,360,532.20
  4. Step 4: Simplify right side
    101,376,071.40x = 15,109,170,609,973,798
  5. Step 5: Solve for x
    x = 15,109,170,609,973,798/101,376,071.40
  6. Step 6: Final answer
    x = 149,040,798.30

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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.