Home / 199,959,153.60-299,938,730.40-56,351,985.60

Finding the Fourth Proportional to 199,959,153.60, 299,938,730.40 and 56,351,985.60

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Solution

The fourth proportional to 199,959,153.60, 299,938,730.40 and 56,351,985.60 is: 84,527,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,959,153.60 : 299,938,730.40 = 56,351,985.60 : x
  2. Step 2: Convert to fraction form
    199,959,153.60/299,938,730.40 = 56,351,985.60/x
  3. Step 3: Cross multiply
    199,959,153.60x = 299,938,730.40 × 56,351,985.60
  4. Step 4: Simplify right side
    199,959,153.60x = 16,902,143,016,383,082
  5. Step 5: Solve for x
    x = 16,902,143,016,383,082/199,959,153.60
  6. Step 6: Final answer
    x = 84,527,978.40

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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.