Home / 79,792,359.60-119,688,539.40-45,685,657.20

Finding the Fourth Proportional to 79,792,359.60, 119,688,539.40 and 45,685,657.20

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Solution

The fourth proportional to 79,792,359.60, 119,688,539.40 and 45,685,657.20 is: 68,528,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792,359.60 : 119,688,539.40 = 45,685,657.20 : x
  2. Step 2: Convert to fraction form
    79,792,359.60/119,688,539.40 = 45,685,657.20/x
  3. Step 3: Cross multiply
    79,792,359.60x = 119,688,539.40 × 45,685,657.20
  4. Step 4: Simplify right side
    79,792,359.60x = 5,468,049,581,797,094
  5. Step 5: Solve for x
    x = 5,468,049,581,797,094/79,792,359.60
  6. Step 6: Final answer
    x = 68,528,485.80

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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.