Home / 118,098,246.40-177,147,369.60-75,157,813.60

Finding the Fourth Proportional to 118,098,246.40, 177,147,369.60 and 75,157,813.60

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Solution

The fourth proportional to 118,098,246.40, 177,147,369.60 and 75,157,813.60 is: 112,736,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,246.40 : 177,147,369.60 = 75,157,813.60 : x
  2. Step 2: Convert to fraction form
    118,098,246.40/177,147,369.60 = 75,157,813.60/x
  3. Step 3: Cross multiply
    118,098,246.40x = 177,147,369.60 × 75,157,813.60
  4. Step 4: Simplify right side
    118,098,246.40x = 13,314,008,984,127,106
  5. Step 5: Solve for x
    x = 13,314,008,984,127,106/118,098,246.40
  6. Step 6: Final answer
    x = 112,736,720.40

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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.