Home / 93,312,268.20-139,968,402.30-72,904,933.80

Finding the Fourth Proportional to 93,312,268.20, 139,968,402.30 and 72,904,933.80

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Solution

The fourth proportional to 93,312,268.20, 139,968,402.30 and 72,904,933.80 is: 109,357,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,268.20 : 139,968,402.30 = 72,904,933.80 : x
  2. Step 2: Convert to fraction form
    93,312,268.20/139,968,402.30 = 72,904,933.80/x
  3. Step 3: Cross multiply
    93,312,268.20x = 139,968,402.30 × 72,904,933.80
  4. Step 4: Simplify right side
    93,312,268.20x = 10,204,387,103,773,268
  5. Step 5: Solve for x
    x = 10,204,387,103,773,268/93,312,268.20
  6. Step 6: Final answer
    x = 109,357,400.70

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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.