Home / 147,550,207.80-221,325,311.70-70,854,742.20

Finding the Fourth Proportional to 147,550,207.80, 221,325,311.70 and 70,854,742.20

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Solution

The fourth proportional to 147,550,207.80, 221,325,311.70 and 70,854,742.20 is: 106,282,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,550,207.80 : 221,325,311.70 = 70,854,742.20 : x
  2. Step 2: Convert to fraction form
    147,550,207.80/221,325,311.70 = 70,854,742.20/x
  3. Step 3: Cross multiply
    147,550,207.80x = 221,325,311.70 × 70,854,742.20
  4. Step 4: Simplify right side
    147,550,207.80x = 15,681,947,902,838,144
  5. Step 5: Solve for x
    x = 15,681,947,902,838,144/147,550,207.80
  6. Step 6: Final answer
    x = 106,282,113.30

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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.