Home / 79,260,164.80-118,778,272.80-58,628,881.60

Finding the Fourth Proportional to 79,260,164.80, 118,778,272.80 and 58,628,881.60

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Solution

The fourth proportional to 79,260,164.80, 118,778,272.80 and 58,628,881.60 is: 87,860,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260,164.80 : 118,778,272.80 = 58,628,881.60 : x
  2. Step 2: Convert to fraction form
    79,260,164.80/118,778,272.80 = 58,628,881.60/x
  3. Step 3: Cross multiply
    79,260,164.80x = 118,778,272.80 × 58,628,881.60
  4. Step 4: Simplify right side
    79,260,164.80x = 6,963,837,292,643,700
  5. Step 5: Solve for x
    x = 6,963,837,292,643,700/79,260,164.80
  6. Step 6: Final answer
    x = 87,860,494.74

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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.