Home / 190,384,005.90-285,585,340.05-99,684,741.90

Finding the Fourth Proportional to 190,384,005.90, 285,585,340.05 and 99,684,741.90

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Solution

The fourth proportional to 190,384,005.90, 285,585,340.05 and 99,684,741.90 is: 149,531,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,384,005.90 : 285,585,340.05 = 99,684,741.90 : x
  2. Step 2: Convert to fraction form
    190,384,005.90/285,585,340.05 = 99,684,741.90/x
  3. Step 3: Cross multiply
    190,384,005.90x = 285,585,340.05 × 99,684,741.90
  4. Step 4: Simplify right side
    190,384,005.90x = 28,468,500,913,307,984
  5. Step 5: Solve for x
    x = 28,468,500,913,307,984/190,384,005.90
  6. Step 6: Final answer
    x = 149,531,998.65

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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.