Home / 383,712,258.40-575,442,416.40-141,343,669.60

Finding the Fourth Proportional to 383,712,258.40, 575,442,416.40 and 141,343,669.60

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Solution

The fourth proportional to 383,712,258.40, 575,442,416.40 and 141,343,669.60 is: 211,969,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,712,258.40 : 575,442,416.40 = 141,343,669.60 : x
  2. Step 2: Convert to fraction form
    383,712,258.40/575,442,416.40 = 141,343,669.60/x
  3. Step 3: Cross multiply
    383,712,258.40x = 575,442,416.40 × 141,343,669.60
  4. Step 4: Simplify right side
    383,712,258.40x = 81,335,142,777,467,216
  5. Step 5: Solve for x
    x = 81,335,142,777,467,216/383,712,258.40
  6. Step 6: Final answer
    x = 211,969,101.84

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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.