Home / 160,591,087-240,365,465.70-86,712,164.44

Finding the Fourth Proportional to 160,591,087, 240,365,465.70 and 86,712,164.44

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Solution

The fourth proportional to 160,591,087, 240,365,465.70 and 86,712,164.44 is: 129,786,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,591,087 : 240,365,465.70 = 86,712,164.44 : x
  2. Step 2: Convert to fraction form
    160,591,087/240,365,465.70 = 86,712,164.44/x
  3. Step 3: Cross multiply
    160,591,087x = 240,365,465.70 × 86,712,164.44
  4. Step 4: Simplify right side
    160,591,087x = 20,842,609,787,475,580
  5. Step 5: Solve for x
    x = 20,842,609,787,475,580/160,591,087
  6. Step 6: Final answer
    x = 129,786,840.46

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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.