Home / 65,553,792.40-98,330,688.60-45,381,811.60

Finding the Fourth Proportional to 65,553,792.40, 98,330,688.60 and 45,381,811.60

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Solution

The fourth proportional to 65,553,792.40, 98,330,688.60 and 45,381,811.60 is: 68,072,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,553,792.40 : 98,330,688.60 = 45,381,811.60 : x
  2. Step 2: Convert to fraction form
    65,553,792.40/98,330,688.60 = 45,381,811.60/x
  3. Step 3: Cross multiply
    65,553,792.40x = 98,330,688.60 × 45,381,811.60
  4. Step 4: Simplify right side
    65,553,792.40x = 4,462,424,784,543,467.50
  5. Step 5: Solve for x
    x = 4,462,424,784,543,467.50/65,553,792.40
  6. Step 6: Final answer
    x = 68,072,717.40

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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.