Home / 81,738,272,980.20-122,607,409,470.30-59,698,351,828.20

Finding the Fourth Proportional to 81,738,272,980.20, 122,607,409,470.30 and 59,698,351,828.20

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Solution

The fourth proportional to 81,738,272,980.20, 122,607,409,470.30 and 59,698,351,828.20 is: 89,547,527,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738,272,980.20 : 122,607,409,470.30 = 59,698,351,828.20 : x
  2. Step 2: Convert to fraction form
    81,738,272,980.20/122,607,409,470.30 = 59,698,351,828.20/x
  3. Step 3: Cross multiply
    81,738,272,980.20x = 122,607,409,470.30 × 59,698,351,828.20
  4. Step 4: Simplify right side
    81,738,272,980.20x = 7,319,460,267,302,150,209,536
  5. Step 5: Solve for x
    x = 7,319,460,267,302,150,209,536/81,738,272,980.20
  6. Step 6: Final answer
    x = 89,547,527,742.30

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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.