Home / 130,832,265.24-180,549,736.92-72,097,032.30

Finding the Fourth Proportional to 130,832,265.24, 180,549,736.92 and 72,097,032.30

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Solution

The fourth proportional to 130,832,265.24, 180,549,736.92 and 72,097,032.30 is: 99,494,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,265.24 : 180,549,736.92 = 72,097,032.30 : x
  2. Step 2: Convert to fraction form
    130,832,265.24/180,549,736.92 = 72,097,032.30/x
  3. Step 3: Cross multiply
    130,832,265.24x = 180,549,736.92 × 72,097,032.30
  4. Step 4: Simplify right side
    130,832,265.24x = 13,017,100,214,477,742
  5. Step 5: Solve for x
    x = 13,017,100,214,477,742/130,832,265.24
  6. Step 6: Final answer
    x = 99,494,571.85

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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.