Home / 163,831,086.60-245,746,629.90-99,543,784.20

Finding the Fourth Proportional to 163,831,086.60, 245,746,629.90 and 99,543,784.20

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Solution

The fourth proportional to 163,831,086.60, 245,746,629.90 and 99,543,784.20 is: 149,315,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,831,086.60 : 245,746,629.90 = 99,543,784.20 : x
  2. Step 2: Convert to fraction form
    163,831,086.60/245,746,629.90 = 99,543,784.20/x
  3. Step 3: Cross multiply
    163,831,086.60x = 245,746,629.90 × 99,543,784.20
  4. Step 4: Simplify right side
    163,831,086.60x = 24,462,549,494,642,868
  5. Step 5: Solve for x
    x = 24,462,549,494,642,868/163,831,086.60
  6. Step 6: Final answer
    x = 149,315,676.30

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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.