Home / 93,072,661.80-139,357,050.30-72,917,269.80

Finding the Fourth Proportional to 93,072,661.80, 139,357,050.30 and 72,917,269.80

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Solution

The fourth proportional to 93,072,661.80, 139,357,050.30 and 72,917,269.80 is: 109,178,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,072,661.80 : 139,357,050.30 = 72,917,269.80 : x
  2. Step 2: Convert to fraction form
    93,072,661.80/139,357,050.30 = 72,917,269.80/x
  3. Step 3: Cross multiply
    93,072,661.80x = 139,357,050.30 × 72,917,269.80
  4. Step 4: Simplify right side
    93,072,661.80x = 10,161,535,635,257,272
  5. Step 5: Solve for x
    x = 10,161,535,635,257,272/93,072,661.80
  6. Step 6: Final answer
    x = 109,178,521.80

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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.