Home / 98,185,582.77-135,489,860.78-54,130,173.63

Finding the Fourth Proportional to 98,185,582.77, 135,489,860.78 and 54,130,173.63

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Solution

The fourth proportional to 98,185,582.77, 135,489,860.78 and 54,130,173.63 is: 74,696,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185,582.77 : 135,489,860.78 = 54,130,173.63 : x
  2. Step 2: Convert to fraction form
    98,185,582.77/135,489,860.78 = 54,130,173.63/x
  3. Step 3: Cross multiply
    98,185,582.77x = 135,489,860.78 × 54,130,173.63
  4. Step 4: Simplify right side
    98,185,582.77x = 7,334,089,688,855,277
  5. Step 5: Solve for x
    x = 7,334,089,688,855,277/98,185,582.77
  6. Step 6: Final answer
    x = 74,696,197.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.