Home / 103,549,105.40-155,323,658.10-97,166,564.60

Finding the Fourth Proportional to 103,549,105.40, 155,323,658.10 and 97,166,564.60

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Solution

The fourth proportional to 103,549,105.40, 155,323,658.10 and 97,166,564.60 is: 145,749,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549,105.40 : 155,323,658.10 = 97,166,564.60 : x
  2. Step 2: Convert to fraction form
    103,549,105.40/155,323,658.10 = 97,166,564.60/x
  3. Step 3: Cross multiply
    103,549,105.40x = 155,323,658.10 × 97,166,564.60
  4. Step 4: Simplify right side
    103,549,105.40x = 15,092,266,258,681,962
  5. Step 5: Solve for x
    x = 15,092,266,258,681,962/103,549,105.40
  6. Step 6: Final answer
    x = 145,749,846.90

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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.