Home / 140,090,561.70-209,852,407.35-97,008,411.30

Finding the Fourth Proportional to 140,090,561.70, 209,852,407.35 and 97,008,411.30

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Solution

The fourth proportional to 140,090,561.70, 209,852,407.35 and 97,008,411.30 is: 145,316,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,561.70 : 209,852,407.35 = 97,008,411.30 : x
  2. Step 2: Convert to fraction form
    140,090,561.70/209,852,407.35 = 97,008,411.30/x
  3. Step 3: Cross multiply
    140,090,561.70x = 209,852,407.35 × 97,008,411.30
  4. Step 4: Simplify right side
    140,090,561.70x = 20,357,448,644,503,940
  5. Step 5: Solve for x
    x = 20,357,448,644,503,940/140,090,561.70
  6. Step 6: Final answer
    x = 145,316,346.78

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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.