Home / 71,569,792.40-107,354,688.60-61,828,019.60

Finding the Fourth Proportional to 71,569,792.40, 107,354,688.60 and 61,828,019.60

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Solution

The fourth proportional to 71,569,792.40, 107,354,688.60 and 61,828,019.60 is: 92,742,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,569,792.40 : 107,354,688.60 = 61,828,019.60 : x
  2. Step 2: Convert to fraction form
    71,569,792.40/107,354,688.60 = 61,828,019.60/x
  3. Step 3: Cross multiply
    71,569,792.40x = 107,354,688.60 × 61,828,019.60
  4. Step 4: Simplify right side
    71,569,792.40x = 6,637,527,790,912,696
  5. Step 5: Solve for x
    x = 6,637,527,790,912,696/71,569,792.40
  6. Step 6: Final answer
    x = 92,742,029.40

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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.