Home / 190,773,010.80-286,180,511.40-69,630,706.80

Finding the Fourth Proportional to 190,773,010.80, 286,180,511.40 and 69,630,706.80

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Solution

The fourth proportional to 190,773,010.80, 286,180,511.40 and 69,630,706.80 is: 104,453,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,773,010.80 : 286,180,511.40 = 69,630,706.80 : x
  2. Step 2: Convert to fraction form
    190,773,010.80/286,180,511.40 = 69,630,706.80/x
  3. Step 3: Cross multiply
    190,773,010.80x = 286,180,511.40 × 69,630,706.80
  4. Step 4: Simplify right side
    190,773,010.80x = 19,926,951,281,167,456
  5. Step 5: Solve for x
    x = 19,926,951,281,167,456/190,773,010.80
  6. Step 6: Final answer
    x = 104,453,723.29

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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.