Home / 130,847,643-180,570,979.98-72,112,422.96

Finding the Fourth Proportional to 130,847,643, 180,570,979.98 and 72,112,422.96

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Solution

The fourth proportional to 130,847,643, 180,570,979.98 and 72,112,422.96 is: 99,515,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,847,643 : 180,570,979.98 = 72,112,422.96 : x
  2. Step 2: Convert to fraction form
    130,847,643/180,570,979.98 = 72,112,422.96/x
  3. Step 3: Cross multiply
    130,847,643x = 180,570,979.98 × 72,112,422.96
  4. Step 4: Simplify right side
    130,847,643x = 13,021,410,882,619,450
  5. Step 5: Solve for x
    x = 13,021,410,882,619,450/130,847,643
  6. Step 6: Final answer
    x = 99,515,823.01

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1.5x scale

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.