Home / 146,710,311.40-220,065,467.10-70,182,807.40

Finding the Fourth Proportional to 146,710,311.40, 220,065,467.10 and 70,182,807.40

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Solution

The fourth proportional to 146,710,311.40, 220,065,467.10 and 70,182,807.40 is: 105,274,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710,311.40 : 220,065,467.10 = 70,182,807.40 : x
  2. Step 2: Convert to fraction form
    146,710,311.40/220,065,467.10 = 70,182,807.40/x
  3. Step 3: Cross multiply
    146,710,311.40x = 220,065,467.10 × 70,182,807.40
  4. Step 4: Simplify right side
    146,710,311.40x = 15,444,812,292,870,338
  5. Step 5: Solve for x
    x = 15,444,812,292,870,338/146,710,311.40
  6. Step 6: Final answer
    x = 105,274,211.10

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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.