Home / 105,507,777.60-158,261,666.40-71,070,400.80

Finding the Fourth Proportional to 105,507,777.60, 158,261,666.40 and 71,070,400.80

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Solution

The fourth proportional to 105,507,777.60, 158,261,666.40 and 71,070,400.80 is: 106,605,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,507,777.60 : 158,261,666.40 = 71,070,400.80 : x
  2. Step 2: Convert to fraction form
    105,507,777.60/158,261,666.40 = 71,070,400.80/x
  3. Step 3: Cross multiply
    105,507,777.60x = 158,261,666.40 × 71,070,400.80
  4. Step 4: Simplify right side
    105,507,777.60x = 11,247,720,062,323,894
  5. Step 5: Solve for x
    x = 11,247,720,062,323,894/105,507,777.60
  6. Step 6: Final answer
    x = 106,605,601.20

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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.