Home / 209,952,327.90-314,928,491.85-194,646,827.10

Finding the Fourth Proportional to 209,952,327.90, 314,928,491.85 and 194,646,827.10

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Solution

The fourth proportional to 209,952,327.90, 314,928,491.85 and 194,646,827.10 is: 291,970,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,327.90 : 314,928,491.85 = 194,646,827.10 : x
  2. Step 2: Convert to fraction form
    209,952,327.90/314,928,491.85 = 194,646,827.10/x
  3. Step 3: Cross multiply
    209,952,327.90x = 314,928,491.85 × 194,646,827.10
  4. Step 4: Simplify right side
    209,952,327.90x = 61,299,831,701,990,712
  5. Step 5: Solve for x
    x = 61,299,831,701,990,712/209,952,327.90
  6. Step 6: Final answer
    x = 291,970,240.65

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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.