Home / 112,146,008.04-154,831,551.30-85,990,278.60

Finding the Fourth Proportional to 112,146,008.04, 154,831,551.30 and 85,990,278.60

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Solution

The fourth proportional to 112,146,008.04, 154,831,551.30 and 85,990,278.60 is: 118,720,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146,008.04 : 154,831,551.30 = 85,990,278.60 : x
  2. Step 2: Convert to fraction form
    112,146,008.04/154,831,551.30 = 85,990,278.60/x
  3. Step 3: Cross multiply
    112,146,008.04x = 154,831,551.30 × 85,990,278.60
  4. Step 4: Simplify right side
    112,146,008.04x = 13,314,008,232,357,192
  5. Step 5: Solve for x
    x = 13,314,008,232,357,192/112,146,008.04
  6. Step 6: Final answer
    x = 118,720,304.58

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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.