Home / 76,802,711,027.49-115,779,718,624.75-71,683,021,009.89

Finding the Fourth Proportional to 76,802,711,027.49, 115,779,718,624.75 and 71,683,021,009.89

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Solution

The fourth proportional to 76,802,711,027.49, 115,779,718,624.75 and 71,683,021,009.89 is: 108,061,810,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,802,711,027.49 : 115,779,718,624.75 = 71,683,021,009.89 : x
  2. Step 2: Convert to fraction form
    76,802,711,027.49/115,779,718,624.75 = 71,683,021,009.89/x
  3. Step 3: Cross multiply
    76,802,711,027.49x = 115,779,718,624.75 × 71,683,021,009.89
  4. Step 4: Simplify right side
    76,802,711,027.49x = 8,299,440,002,697,106,817,024
  5. Step 5: Solve for x
    x = 8,299,440,002,697,106,817,024/76,802,711,027.49
  6. Step 6: Final answer
    x = 108,061,810,470.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.