Home / 291,334,670.22-402,037,152.95-159,172,828.95

Finding the Fourth Proportional to 291,334,670.22, 402,037,152.95 and 159,172,828.95

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Solution

The fourth proportional to 291,334,670.22, 402,037,152.95 and 159,172,828.95 is: 219,655,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,334,670.22 : 402,037,152.95 = 159,172,828.95 : x
  2. Step 2: Convert to fraction form
    291,334,670.22/402,037,152.95 = 159,172,828.95/x
  3. Step 3: Cross multiply
    291,334,670.22x = 402,037,152.95 × 159,172,828.95
  4. Step 4: Simplify right side
    291,334,670.22x = 63,993,390,977,259,464
  5. Step 5: Solve for x
    x = 63,993,390,977,259,464/291,334,670.22
  6. Step 6: Final answer
    x = 219,655,940.47

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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.