Home / 209,291,196.33-314,154,957.06-92,788,368.82

Finding the Fourth Proportional to 209,291,196.33, 314,154,957.06 and 92,788,368.82

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Solution

The fourth proportional to 209,291,196.33, 314,154,957.06 and 92,788,368.82 is: 139,279,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,291,196.33 : 314,154,957.06 = 92,788,368.82 : x
  2. Step 2: Convert to fraction form
    209,291,196.33/314,154,957.06 = 92,788,368.82/x
  3. Step 3: Cross multiply
    209,291,196.33x = 314,154,957.06 × 92,788,368.82
  4. Step 4: Simplify right side
    209,291,196.33x = 29,149,926,021,529,156
  5. Step 5: Solve for x
    x = 29,149,926,021,529,156/209,291,196.33
  6. Step 6: Final answer
    x = 139,279,274.68

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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.