Home / 70,238,487.40-105,357,731.10-29,843,722.60

Finding the Fourth Proportional to 70,238,487.40, 105,357,731.10 and 29,843,722.60

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Solution

The fourth proportional to 70,238,487.40, 105,357,731.10 and 29,843,722.60 is: 44,765,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238,487.40 : 105,357,731.10 = 29,843,722.60 : x
  2. Step 2: Convert to fraction form
    70,238,487.40/105,357,731.10 = 29,843,722.60/x
  3. Step 3: Cross multiply
    70,238,487.40x = 105,357,731.10 × 29,843,722.60
  4. Step 4: Simplify right side
    70,238,487.40x = 3,144,266,900,713,793
  5. Step 5: Solve for x
    x = 3,144,266,900,713,793/70,238,487.40
  6. Step 6: Final answer
    x = 44,765,583.90

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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.