Home / 130,797,966.68-180,509,347.16-72,060,619.64

Finding the Fourth Proportional to 130,797,966.68, 180,509,347.16 and 72,060,619.64

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Solution

The fourth proportional to 130,797,966.68, 180,509,347.16 and 72,060,619.64 is: 99,448,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,797,966.68 : 180,509,347.16 = 72,060,619.64 : x
  2. Step 2: Convert to fraction form
    130,797,966.68/180,509,347.16 = 72,060,619.64/x
  3. Step 3: Cross multiply
    130,797,966.68x = 180,509,347.16 × 72,060,619.64
  4. Step 4: Simplify right side
    130,797,966.68x = 13,007,615,407,161,474
  5. Step 5: Solve for x
    x = 13,007,615,407,161,474/130,797,966.68
  6. Step 6: Final answer
    x = 99,448,146.92

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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.