Home / 72,403,477.20-108,605,215.80-41,792,475.60

Finding the Fourth Proportional to 72,403,477.20, 108,605,215.80 and 41,792,475.60

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Solution

The fourth proportional to 72,403,477.20, 108,605,215.80 and 41,792,475.60 is: 62,688,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,403,477.20 : 108,605,215.80 = 41,792,475.60 : x
  2. Step 2: Convert to fraction form
    72,403,477.20/108,605,215.80 = 41,792,475.60/x
  3. Step 3: Cross multiply
    72,403,477.20x = 108,605,215.80 × 41,792,475.60
  4. Step 4: Simplify right side
    72,403,477.20x = 4,538,880,831,354,235
  5. Step 5: Solve for x
    x = 4,538,880,831,354,235/72,403,477.20
  6. Step 6: Final answer
    x = 62,688,713.40

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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.