Home / 130,807,571.52-180,518,541.12-75,063,199.68

Finding the Fourth Proportional to 130,807,571.52, 180,518,541.12 and 75,063,199.68

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Solution

The fourth proportional to 130,807,571.52, 180,518,541.12 and 75,063,199.68 is: 103,589,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,807,571.52 : 180,518,541.12 = 75,063,199.68 : x
  2. Step 2: Convert to fraction form
    130,807,571.52/180,518,541.12 = 75,063,199.68/x
  3. Step 3: Cross multiply
    130,807,571.52x = 180,518,541.12 × 75,063,199.68
  4. Step 4: Simplify right side
    130,807,571.52x = 13,550,299,298,032,852
  5. Step 5: Solve for x
    x = 13,550,299,298,032,852/130,807,571.52
  6. Step 6: Final answer
    x = 103,589,563.97

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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.