Home / 130,563,069.53-180,178,531.25-74,807,372.66

Finding the Fourth Proportional to 130,563,069.53, 180,178,531.25 and 74,807,372.66

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Solution

The fourth proportional to 130,563,069.53, 180,178,531.25 and 74,807,372.66 is: 103,235,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,563,069.53 : 180,178,531.25 = 74,807,372.66 : x
  2. Step 2: Convert to fraction form
    130,563,069.53/180,178,531.25 = 74,807,372.66/x
  3. Step 3: Cross multiply
    130,563,069.53x = 180,178,531.25 × 74,807,372.66
  4. Step 4: Simplify right side
    130,563,069.53x = 13,478,682,531,275,276
  5. Step 5: Solve for x
    x = 13,478,682,531,275,276/130,563,069.53
  6. Step 6: Final answer
    x = 103,235,031.01

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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.