Home / 93,320,321.40-139,980,482.10-74,046,727.80

Finding the Fourth Proportional to 93,320,321.40, 139,980,482.10 and 74,046,727.80

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Solution

The fourth proportional to 93,320,321.40, 139,980,482.10 and 74,046,727.80 is: 111,070,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320,321.40 : 139,980,482.10 = 74,046,727.80 : x
  2. Step 2: Convert to fraction form
    93,320,321.40/139,980,482.10 = 74,046,727.80/x
  3. Step 3: Cross multiply
    93,320,321.40x = 139,980,482.10 × 74,046,727.80
  4. Step 4: Simplify right side
    93,320,321.40x = 10,365,096,655,371,472
  5. Step 5: Solve for x
    x = 10,365,096,655,371,472/93,320,321.40
  6. Step 6: Final answer
    x = 111,070,091.70

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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.