Home / 130,832,216.64-180,549,669.67-72,096,983.60

Finding the Fourth Proportional to 130,832,216.64, 180,549,669.67 and 72,096,983.60

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Solution

The fourth proportional to 130,832,216.64, 180,549,669.67 and 72,096,983.60 is: 99,494,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,216.64 : 180,549,669.67 = 72,096,983.60 : x
  2. Step 2: Convert to fraction form
    130,832,216.64/180,549,669.67 = 72,096,983.60/x
  3. Step 3: Cross multiply
    130,832,216.64x = 180,549,669.67 × 72,096,983.60
  4. Step 4: Simplify right side
    130,832,216.64x = 13,017,086,572,100,416
  5. Step 5: Solve for x
    x = 13,017,086,572,100,416/130,832,216.64
  6. Step 6: Final answer
    x = 99,494,504.54

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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.