Home / 189,280,929.60-283,900,399.20-155,142,734.40

Finding the Fourth Proportional to 189,280,929.60, 283,900,399.20 and 155,142,734.40

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Solution

The fourth proportional to 189,280,929.60, 283,900,399.20 and 155,142,734.40 is: 232,696,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280,929.60 : 283,900,399.20 = 155,142,734.40 : x
  2. Step 2: Convert to fraction form
    189,280,929.60/283,900,399.20 = 155,142,734.40/x
  3. Step 3: Cross multiply
    189,280,929.60x = 283,900,399.20 × 155,142,734.40
  4. Step 4: Simplify right side
    189,280,929.60x = 44,045,084,229,139,576
  5. Step 5: Solve for x
    x = 44,045,084,229,139,576/189,280,929.60
  6. Step 6: Final answer
    x = 232,696,893.04

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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.