Home / 213,201,642.30-320,041,611.90-164,893,655.40

Finding the Fourth Proportional to 213,201,642.30, 320,041,611.90 and 164,893,655.40

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Solution

The fourth proportional to 213,201,642.30, 320,041,611.90 and 164,893,655.40 is: 247,525,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,201,642.30 : 320,041,611.90 = 164,893,655.40 : x
  2. Step 2: Convert to fraction form
    213,201,642.30/320,041,611.90 = 164,893,655.40/x
  3. Step 3: Cross multiply
    213,201,642.30x = 320,041,611.90 × 164,893,655.40
  4. Step 4: Simplify right side
    213,201,642.30x = 52,772,831,266,299,136
  5. Step 5: Solve for x
    x = 52,772,831,266,299,136/213,201,642.30
  6. Step 6: Final answer
    x = 247,525,444.44

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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.