Home / 191,505,916.90-287,258,875.35-133,055,280.10

Finding the Fourth Proportional to 191,505,916.90, 287,258,875.35 and 133,055,280.10

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Solution

The fourth proportional to 191,505,916.90, 287,258,875.35 and 133,055,280.10 is: 199,582,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505,916.90 : 287,258,875.35 = 133,055,280.10 : x
  2. Step 2: Convert to fraction form
    191,505,916.90/287,258,875.35 = 133,055,280.10/x
  3. Step 3: Cross multiply
    191,505,916.90x = 287,258,875.35 × 133,055,280.10
  4. Step 4: Simplify right side
    191,505,916.90x = 38,221,310,120,905,240
  5. Step 5: Solve for x
    x = 38,221,310,120,905,240/191,505,916.90
  6. Step 6: Final answer
    x = 199,582,920.15

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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.