Home / 159,857,036.84-220,602,705.54-86,518,178.12

Finding the Fourth Proportional to 159,857,036.84, 220,602,705.54 and 86,518,178.12

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Solution

The fourth proportional to 159,857,036.84, 220,602,705.54 and 86,518,178.12 is: 119,395,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,857,036.84 : 220,602,705.54 = 86,518,178.12 : x
  2. Step 2: Convert to fraction form
    159,857,036.84/220,602,705.54 = 86,518,178.12/x
  3. Step 3: Cross multiply
    159,857,036.84x = 220,602,705.54 × 86,518,178.12
  4. Step 4: Simplify right side
    159,857,036.84x = 19,086,144,171,663,632
  5. Step 5: Solve for x
    x = 19,086,144,171,663,632/159,857,036.84
  6. Step 6: Final answer
    x = 119,395,082.94

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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.