Home / 191,611,724.03-287,413,436.21-53,433,644.10

Finding the Fourth Proportional to 191,611,724.03, 287,413,436.21 and 53,433,644.10

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Solution

The fourth proportional to 191,611,724.03, 287,413,436.21 and 53,433,644.10 is: 80,149,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,611,724.03 : 287,413,436.21 = 53,433,644.10 : x
  2. Step 2: Convert to fraction form
    191,611,724.03/287,413,436.21 = 53,433,644.10/x
  3. Step 3: Cross multiply
    191,611,724.03x = 287,413,436.21 × 53,433,644.10
  4. Step 4: Simplify right side
    191,611,724.03x = 15,357,547,260,813,824
  5. Step 5: Solve for x
    x = 15,357,547,260,813,824/191,611,724.03
  6. Step 6: Final answer
    x = 80,149,308.92

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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.