Home / 70,649,171.04-97,496,722.80-42,771,502.56

Finding the Fourth Proportional to 70,649,171.04, 97,496,722.80 and 42,771,502.56

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Solution

The fourth proportional to 70,649,171.04, 97,496,722.80 and 42,771,502.56 is: 59,025,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,649,171.04 : 97,496,722.80 = 42,771,502.56 : x
  2. Step 2: Convert to fraction form
    70,649,171.04/97,496,722.80 = 42,771,502.56/x
  3. Step 3: Cross multiply
    70,649,171.04x = 97,496,722.80 × 42,771,502.56
  4. Step 4: Simplify right side
    70,649,171.04x = 4,170,081,328,831,810.50
  5. Step 5: Solve for x
    x = 4,170,081,328,831,810.50/70,649,171.04
  6. Step 6: Final answer
    x = 59,025,198.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.