Home / 49,831,386.20-74,666,597.70-28,201,664.60

Finding the Fourth Proportional to 49,831,386.20, 74,666,597.70 and 28,201,664.60

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Solution

The fourth proportional to 49,831,386.20, 74,666,597.70 and 28,201,664.60 is: 42,256,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831,386.20 : 74,666,597.70 = 28,201,664.60 : x
  2. Step 2: Convert to fraction form
    49,831,386.20/74,666,597.70 = 28,201,664.60/x
  3. Step 3: Cross multiply
    49,831,386.20x = 74,666,597.70 × 28,201,664.60
  4. Step 4: Simplify right side
    49,831,386.20x = 2,105,722,345,158,531.50
  5. Step 5: Solve for x
    x = 2,105,722,345,158,531.50/49,831,386.20
  6. Step 6: Final answer
    x = 42,256,949.00

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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.