Home / 374,069,920.80-561,104,881.20-115,262,090.40

Finding the Fourth Proportional to 374,069,920.80, 561,104,881.20 and 115,262,090.40

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Solution

The fourth proportional to 374,069,920.80, 561,104,881.20 and 115,262,090.40 is: 172,893,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,069,920.80 : 561,104,881.20 = 115,262,090.40 : x
  2. Step 2: Convert to fraction form
    374,069,920.80/561,104,881.20 = 115,262,090.40/x
  3. Step 3: Cross multiply
    374,069,920.80x = 561,104,881.20 × 115,262,090.40
  4. Step 4: Simplify right side
    374,069,920.80x = 64,674,121,540,755,672
  5. Step 5: Solve for x
    x = 64,674,121,540,755,672/374,069,920.80
  6. Step 6: Final answer
    x = 172,893,135.60

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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.