Home / 57,887,999.40-86,831,999.10-30,678,220.20

Finding the Fourth Proportional to 57,887,999.40, 86,831,999.10 and 30,678,220.20

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Solution

The fourth proportional to 57,887,999.40, 86,831,999.10 and 30,678,220.20 is: 46,017,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,999.40 : 86,831,999.10 = 30,678,220.20 : x
  2. Step 2: Convert to fraction form
    57,887,999.40/86,831,999.10 = 30,678,220.20/x
  3. Step 3: Cross multiply
    57,887,999.40x = 86,831,999.10 × 30,678,220.20
  4. Step 4: Simplify right side
    57,887,999.40x = 2,663,851,188,796,001.50
  5. Step 5: Solve for x
    x = 2,663,851,188,796,001.50/57,887,999.40
  6. Step 6: Final answer
    x = 46,017,330.30

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1.5x scale

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.