Home / 79,164,021.60-118,746,032.40-47,313,525.60

Finding the Fourth Proportional to 79,164,021.60, 118,746,032.40 and 47,313,525.60

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Solution

The fourth proportional to 79,164,021.60, 118,746,032.40 and 47,313,525.60 is: 70,970,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,164,021.60 : 118,746,032.40 = 47,313,525.60 : x
  2. Step 2: Convert to fraction form
    79,164,021.60/118,746,032.40 = 47,313,525.60/x
  3. Step 3: Cross multiply
    79,164,021.60x = 118,746,032.40 × 47,313,525.60
  4. Step 4: Simplify right side
    79,164,021.60x = 5,618,293,443,855,830
  5. Step 5: Solve for x
    x = 5,618,293,443,855,830/79,164,021.60
  6. Step 6: Final answer
    x = 70,970,288.40

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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.