Home / 103,549,430.40-155,324,145.60-97,166,889.60

Finding the Fourth Proportional to 103,549,430.40, 155,324,145.60 and 97,166,889.60

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Solution

The fourth proportional to 103,549,430.40, 155,324,145.60 and 97,166,889.60 is: 145,750,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549,430.40 : 155,324,145.60 = 97,166,889.60 : x
  2. Step 2: Convert to fraction form
    103,549,430.40/155,324,145.60 = 97,166,889.60/x
  3. Step 3: Cross multiply
    103,549,430.40x = 155,324,145.60 × 97,166,889.60
  4. Step 4: Simplify right side
    103,549,430.40x = 15,092,364,107,729,524
  5. Step 5: Solve for x
    x = 15,092,364,107,729,524/103,549,430.40
  6. Step 6: Final answer
    x = 145,750,334.40

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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.