Home / 309,210,933.60-463,872,387.60-155,470,082.40

Finding the Fourth Proportional to 309,210,933.60, 463,872,387.60 and 155,470,082.40

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Solution

The fourth proportional to 309,210,933.60, 463,872,387.60 and 155,470,082.40 is: 233,233,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,210,933.60 : 463,872,387.60 = 155,470,082.40 : x
  2. Step 2: Convert to fraction form
    309,210,933.60/463,872,387.60 = 155,470,082.40/x
  3. Step 3: Cross multiply
    309,210,933.60x = 463,872,387.60 × 155,470,082.40
  4. Step 4: Simplify right side
    309,210,933.60x = 72,118,278,323,256,752
  5. Step 5: Solve for x
    x = 72,118,278,323,256,752/309,210,933.60
  6. Step 6: Final answer
    x = 233,233,273.75

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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.