Home / 105,902,688.78-146,118,568.75-61,824,358.74

Finding the Fourth Proportional to 105,902,688.78, 146,118,568.75 and 61,824,358.74

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Solution

The fourth proportional to 105,902,688.78, 146,118,568.75 and 61,824,358.74 is: 85,301,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,902,688.78 : 146,118,568.75 = 61,824,358.74 : x
  2. Step 2: Convert to fraction form
    105,902,688.78/146,118,568.75 = 61,824,358.74/x
  3. Step 3: Cross multiply
    105,902,688.78x = 146,118,568.75 × 61,824,358.74
  4. Step 4: Simplify right side
    105,902,688.78x = 9,033,686,812,975,354
  5. Step 5: Solve for x
    x = 9,033,686,812,975,354/105,902,688.78
  6. Step 6: Final answer
    x = 85,301,770.12

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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.