Home / 254,920,326.17-380,929,299.48-191,408,322.56

Finding the Fourth Proportional to 254,920,326.17, 380,929,299.48 and 191,408,322.56

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Solution

The fourth proportional to 254,920,326.17, 380,929,299.48 and 191,408,322.56 is: 286,022,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,920,326.17 : 380,929,299.48 = 191,408,322.56 : x
  2. Step 2: Convert to fraction form
    254,920,326.17/380,929,299.48 = 191,408,322.56/x
  3. Step 3: Cross multiply
    254,920,326.17x = 380,929,299.48 × 191,408,322.56
  4. Step 4: Simplify right side
    254,920,326.17x = 72,913,038,225,518,048
  5. Step 5: Solve for x
    x = 72,913,038,225,518,048/254,920,326.17
  6. Step 6: Final answer
    x = 286,022,850.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.