Home / 163,831,098.60-245,746,647.90-99,543,796.20

Finding the Fourth Proportional to 163,831,098.60, 245,746,647.90 and 99,543,796.20

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Solution

The fourth proportional to 163,831,098.60, 245,746,647.90 and 99,543,796.20 is: 149,315,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,831,098.60 : 245,746,647.90 = 99,543,796.20 : x
  2. Step 2: Convert to fraction form
    163,831,098.60/245,746,647.90 = 99,543,796.20/x
  3. Step 3: Cross multiply
    163,831,098.60x = 245,746,647.90 × 99,543,796.20
  4. Step 4: Simplify right side
    163,831,098.60x = 24,462,554,235,390,760
  5. Step 5: Solve for x
    x = 24,462,554,235,390,760/163,831,098.60
  6. Step 6: Final answer
    x = 149,315,694.30

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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.