Home / 130,813,825.77-180,527,168.48-75,069,443.12

Finding the Fourth Proportional to 130,813,825.77, 180,527,168.48 and 75,069,443.12

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Solution

The fourth proportional to 130,813,825.77, 180,527,168.48 and 75,069,443.12 is: 103,598,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,813,825.77 : 180,527,168.48 = 75,069,443.12 : x
  2. Step 2: Convert to fraction form
    130,813,825.77/180,527,168.48 = 75,069,443.12/x
  3. Step 3: Cross multiply
    130,813,825.77x = 180,527,168.48 × 75,069,443.12
  4. Step 4: Simplify right side
    130,813,825.77x = 13,552,074,004,546,032
  5. Step 5: Solve for x
    x = 13,552,074,004,546,032/130,813,825.77
  6. Step 6: Final answer
    x = 103,598,177.98

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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.