Home / 140,090,752.20-209,852,693.10-97,008,601.80

Finding the Fourth Proportional to 140,090,752.20, 209,852,693.10 and 97,008,601.80

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Solution

The fourth proportional to 140,090,752.20, 209,852,693.10 and 97,008,601.80 is: 145,316,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,752.20 : 209,852,693.10 = 97,008,601.80 : x
  2. Step 2: Convert to fraction form
    140,090,752.20/209,852,693.10 = 97,008,601.80/x
  3. Step 3: Cross multiply
    140,090,752.20x = 209,852,693.10 × 97,008,601.80
  4. Step 4: Simplify right side
    140,090,752.20x = 20,357,516,341,595,508
  5. Step 5: Solve for x
    x = 20,357,516,341,595,508/140,090,752.20
  6. Step 6: Final answer
    x = 145,316,632.41

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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.