Home / 139,968,219.10-209,952,328.65-111,057,828.70

Finding the Fourth Proportional to 139,968,219.10, 209,952,328.65 and 111,057,828.70

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Solution

The fourth proportional to 139,968,219.10, 209,952,328.65 and 111,057,828.70 is: 166,586,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,219.10 : 209,952,328.65 = 111,057,828.70 : x
  2. Step 2: Convert to fraction form
    139,968,219.10/209,952,328.65 = 111,057,828.70/x
  3. Step 3: Cross multiply
    139,968,219.10x = 209,952,328.65 × 111,057,828.70
  4. Step 4: Simplify right side
    139,968,219.10x = 23,316,849,750,377,804
  5. Step 5: Solve for x
    x = 23,316,849,750,377,804/139,968,219.10
  6. Step 6: Final answer
    x = 166,586,743.05

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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.