Home / 101,574,138.30-152,361,207.45-70,963,136.70

Finding the Fourth Proportional to 101,574,138.30, 152,361,207.45 and 70,963,136.70

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Solution

The fourth proportional to 101,574,138.30, 152,361,207.45 and 70,963,136.70 is: 106,444,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,574,138.30 : 152,361,207.45 = 70,963,136.70 : x
  2. Step 2: Convert to fraction form
    101,574,138.30/152,361,207.45 = 70,963,136.70/x
  3. Step 3: Cross multiply
    101,574,138.30x = 152,361,207.45 × 70,963,136.70
  4. Step 4: Simplify right side
    101,574,138.30x = 10,812,029,192,051,408
  5. Step 5: Solve for x
    x = 10,812,029,192,051,408/101,574,138.30
  6. Step 6: Final answer
    x = 106,444,705.05

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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.