Home / 93,319,928.40-139,979,892.60-74,046,334.80

Finding the Fourth Proportional to 93,319,928.40, 139,979,892.60 and 74,046,334.80

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Solution

The fourth proportional to 93,319,928.40, 139,979,892.60 and 74,046,334.80 is: 111,069,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319,928.40 : 139,979,892.60 = 74,046,334.80 : x
  2. Step 2: Convert to fraction form
    93,319,928.40/139,979,892.60 = 74,046,334.80/x
  3. Step 3: Cross multiply
    93,319,928.40x = 139,979,892.60 × 74,046,334.80
  4. Step 4: Simplify right side
    93,319,928.40x = 10,364,997,992,727,642
  5. Step 5: Solve for x
    x = 10,364,997,992,727,642/93,319,928.40
  6. Step 6: Final answer
    x = 111,069,502.20

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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.