Home / 70,295,847.40-105,506,756.70-60,722,036.20

Finding the Fourth Proportional to 70,295,847.40, 105,506,756.70 and 60,722,036.20

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Solution

The fourth proportional to 70,295,847.40, 105,506,756.70 and 60,722,036.20 is: 91,137,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295,847.40 : 105,506,756.70 = 60,722,036.20 : x
  2. Step 2: Convert to fraction form
    70,295,847.40/105,506,756.70 = 60,722,036.20/x
  3. Step 3: Cross multiply
    70,295,847.40x = 105,506,756.70 × 60,722,036.20
  4. Step 4: Simplify right side
    70,295,847.40x = 6,406,585,099,681,993
  5. Step 5: Solve for x
    x = 6,406,585,099,681,993/70,295,847.40
  6. Step 6: Final answer
    x = 91,137,461.69

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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.