Home / 272,680,455.60-376,308,313.68-161,266,802.40

Finding the Fourth Proportional to 272,680,455.60, 376,308,313.68 and 161,266,802.40

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Solution

The fourth proportional to 272,680,455.60, 376,308,313.68 and 161,266,802.40 is: 222,553,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,680,455.60 : 376,308,313.68 = 161,266,802.40 : x
  2. Step 2: Convert to fraction form
    272,680,455.60/376,308,313.68 = 161,266,802.40/x
  3. Step 3: Cross multiply
    272,680,455.60x = 376,308,313.68 × 161,266,802.40
  4. Step 4: Simplify right side
    272,680,455.60x = 60,686,038,463,709,784
  5. Step 5: Solve for x
    x = 60,686,038,463,709,784/272,680,455.60
  6. Step 6: Final answer
    x = 222,553,678.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.