Home / 151,015,072.41-208,416,790.40-92,312,099.55

Finding the Fourth Proportional to 151,015,072.41, 208,416,790.40 and 92,312,099.55

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Solution

The fourth proportional to 151,015,072.41, 208,416,790.40 and 92,312,099.55 is: 127,400,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,015,072.41 : 208,416,790.40 = 92,312,099.55 : x
  2. Step 2: Convert to fraction form
    151,015,072.41/208,416,790.40 = 92,312,099.55/x
  3. Step 3: Cross multiply
    151,015,072.41x = 208,416,790.40 × 92,312,099.55
  4. Step 4: Simplify right side
    151,015,072.41x = 19,239,391,502,834,724
  5. Step 5: Solve for x
    x = 19,239,391,502,834,724/151,015,072.41
  6. Step 6: Final answer
    x = 127,400,471.99

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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.