Home / 199,611,312.30-299,416,968.45-113,316,374.70

Finding the Fourth Proportional to 199,611,312.30, 299,416,968.45 and 113,316,374.70

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Solution

The fourth proportional to 199,611,312.30, 299,416,968.45 and 113,316,374.70 is: 169,974,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,611,312.30 : 299,416,968.45 = 113,316,374.70 : x
  2. Step 2: Convert to fraction form
    199,611,312.30/299,416,968.45 = 113,316,374.70/x
  3. Step 3: Cross multiply
    199,611,312.30x = 299,416,968.45 × 113,316,374.70
  4. Step 4: Simplify right side
    199,611,312.30x = 33,928,845,388,418,276
  5. Step 5: Solve for x
    x = 33,928,845,388,418,276/199,611,312.30
  6. Step 6: Final answer
    x = 169,974,562.05

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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.