Home / 81,670,929.30-112,710,902.85-45,001,490.58

Finding the Fourth Proportional to 81,670,929.30, 112,710,902.85 and 45,001,490.58

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Solution

The fourth proportional to 81,670,929.30, 112,710,902.85 and 45,001,490.58 is: 62,104,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,670,929.30 : 112,710,902.85 = 45,001,490.58 : x
  2. Step 2: Convert to fraction form
    81,670,929.30/112,710,902.85 = 45,001,490.58/x
  3. Step 3: Cross multiply
    81,670,929.30x = 112,710,902.85 × 45,001,490.58
  4. Step 4: Simplify right side
    81,670,929.30x = 5,072,158,632,867,570
  5. Step 5: Solve for x
    x = 5,072,158,632,867,570/81,670,929.30
  6. Step 6: Final answer
    x = 62,104,823.30

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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.