Home / 309,019,038.96-463,528,724.89-114,905,231.60

Finding the Fourth Proportional to 309,019,038.96, 463,528,724.89 and 114,905,231.60

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Solution

The fourth proportional to 309,019,038.96, 463,528,724.89 and 114,905,231.60 is: 172,357,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,019,038.96 : 463,528,724.89 = 114,905,231.60 : x
  2. Step 2: Convert to fraction form
    309,019,038.96/463,528,724.89 = 114,905,231.60/x
  3. Step 3: Cross multiply
    309,019,038.96x = 463,528,724.89 × 114,905,231.60
  4. Step 4: Simplify right side
    309,019,038.96x = 53,261,875,486,738,128
  5. Step 5: Solve for x
    x = 53,261,875,486,738,128/309,019,038.96
  6. Step 6: Final answer
    x = 172,357,909.29

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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.