Home / 79,083,321.60-118,624,982.40-47,232,825.60

Finding the Fourth Proportional to 79,083,321.60, 118,624,982.40 and 47,232,825.60

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Solution

The fourth proportional to 79,083,321.60, 118,624,982.40 and 47,232,825.60 is: 70,849,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083,321.60 : 118,624,982.40 = 47,232,825.60 : x
  2. Step 2: Convert to fraction form
    79,083,321.60/118,624,982.40 = 47,232,825.60/x
  3. Step 3: Cross multiply
    79,083,321.60x = 118,624,982.40 × 47,232,825.60
  4. Step 4: Simplify right side
    79,083,321.60x = 5,602,993,105,502,270
  5. Step 5: Solve for x
    x = 5,602,993,105,502,270/79,083,321.60
  6. Step 6: Final answer
    x = 70,849,238.40

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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.