Home / 163,831,119.60-245,746,679.40-99,543,817.20

Finding the Fourth Proportional to 163,831,119.60, 245,746,679.40 and 99,543,817.20

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Solution

The fourth proportional to 163,831,119.60, 245,746,679.40 and 99,543,817.20 is: 149,315,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,831,119.60 : 245,746,679.40 = 99,543,817.20 : x
  2. Step 2: Convert to fraction form
    163,831,119.60/245,746,679.40 = 99,543,817.20/x
  3. Step 3: Cross multiply
    163,831,119.60x = 245,746,679.40 × 99,543,817.20
  4. Step 4: Simplify right side
    163,831,119.60x = 24,462,562,531,700,608
  5. Step 5: Solve for x
    x = 24,462,562,531,700,608/163,831,119.60
  6. Step 6: Final answer
    x = 149,315,725.80

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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.