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Finding the Fourth Proportional to 72,362,046.60, 101,575,603.80 and 72,362,046.60

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Solution

The fourth proportional to 72,362,046.60, 101,575,603.80 and 72,362,046.60 is: 101,575,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,362,046.60 : 101,575,603.80 = 72,362,046.60 : x
  2. Step 2: Convert to fraction form
    72,362,046.60/101,575,603.80 = 72,362,046.60/x
  3. Step 3: Cross multiply
    72,362,046.60x = 101,575,603.80 × 72,362,046.60
  4. Step 4: Simplify right side
    72,362,046.60x = 7,350,218,575,598,736
  5. Step 5: Solve for x
    x = 7,350,218,575,598,736/72,362,046.60
  6. Step 6: Final answer
    x = 101,575,603.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.