Home / 97,189,241.40-145,783,862.10-71,361,208.80

Finding the Fourth Proportional to 97,189,241.40, 145,783,862.10 and 71,361,208.80

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Solution

The fourth proportional to 97,189,241.40, 145,783,862.10 and 71,361,208.80 is: 107,041,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,189,241.40 : 145,783,862.10 = 71,361,208.80 : x
  2. Step 2: Convert to fraction form
    97,189,241.40/145,783,862.10 = 71,361,208.80/x
  3. Step 3: Cross multiply
    97,189,241.40x = 145,783,862.10 × 71,361,208.80
  4. Step 4: Simplify right side
    97,189,241.40x = 10,403,312,622,988,506
  5. Step 5: Solve for x
    x = 10,403,312,622,988,506/97,189,241.40
  6. Step 6: Final answer
    x = 107,041,813.20

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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.