Home / 55,416,684.60-76,477,386.54-30,970,397.88

Finding the Fourth Proportional to 55,416,684.60, 76,477,386.54 and 30,970,397.88

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Solution

The fourth proportional to 55,416,684.60, 76,477,386.54 and 30,970,397.88 is: 42,740,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,416,684.60 : 76,477,386.54 = 30,970,397.88 : x
  2. Step 2: Convert to fraction form
    55,416,684.60/76,477,386.54 = 30,970,397.88/x
  3. Step 3: Cross multiply
    55,416,684.60x = 76,477,386.54 × 30,970,397.88
  4. Step 4: Simplify right side
    55,416,684.60x = 2,368,535,089,966,356.50
  5. Step 5: Solve for x
    x = 2,368,535,089,966,356.50/55,416,684.60
  6. Step 6: Final answer
    x = 42,740,469.00

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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.