Home / 191,506,787.40-287,260,181.10-133,056,150.60

Finding the Fourth Proportional to 191,506,787.40, 287,260,181.10 and 133,056,150.60

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Solution

The fourth proportional to 191,506,787.40, 287,260,181.10 and 133,056,150.60 is: 199,584,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506,787.40 : 287,260,181.10 = 133,056,150.60 : x
  2. Step 2: Convert to fraction form
    191,506,787.40/287,260,181.10 = 133,056,150.60/x
  3. Step 3: Cross multiply
    191,506,787.40x = 287,260,181.10 × 133,056,150.60
  4. Step 4: Simplify right side
    191,506,787.40x = 38,221,733,917,824,872
  5. Step 5: Solve for x
    x = 38,221,733,917,824,872/191,506,787.40
  6. Step 6: Final answer
    x = 199,584,225.90

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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.