Home / 139,968,226.70-209,952,340.05-96,746,108.30

Finding the Fourth Proportional to 139,968,226.70, 209,952,340.05 and 96,746,108.30

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Solution

The fourth proportional to 139,968,226.70, 209,952,340.05 and 96,746,108.30 is: 145,119,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,226.70 : 209,952,340.05 = 96,746,108.30 : x
  2. Step 2: Convert to fraction form
    139,968,226.70/209,952,340.05 = 96,746,108.30/x
  3. Step 3: Cross multiply
    139,968,226.70x = 209,952,340.05 × 96,746,108.30
  4. Step 4: Simplify right side
    139,968,226.70x = 20,312,071,828,315,728
  5. Step 5: Solve for x
    x = 20,312,071,828,315,728/139,968,226.70
  6. Step 6: Final answer
    x = 145,119,162.45

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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.