Home / 64,130,015.80-96,195,023.70-18,693,292.60

Finding the Fourth Proportional to 64,130,015.80, 96,195,023.70 and 18,693,292.60

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Solution

The fourth proportional to 64,130,015.80, 96,195,023.70 and 18,693,292.60 is: 28,039,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,130,015.80 : 96,195,023.70 = 18,693,292.60 : x
  2. Step 2: Convert to fraction form
    64,130,015.80/96,195,023.70 = 18,693,292.60/x
  3. Step 3: Cross multiply
    64,130,015.80x = 96,195,023.70 × 18,693,292.60
  4. Step 4: Simplify right side
    64,130,015.80x = 1,798,201,724,688,034.75
  5. Step 5: Solve for x
    x = 1,798,201,724,688,034.75/64,130,015.80
  6. Step 6: Final answer
    x = 28,039,938.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.