Home / 79,792,365.60-119,688,548.40-45,685,663.20

Finding the Fourth Proportional to 79,792,365.60, 119,688,548.40 and 45,685,663.20

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Solution

The fourth proportional to 79,792,365.60, 119,688,548.40 and 45,685,663.20 is: 68,528,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792,365.60 : 119,688,548.40 = 45,685,663.20 : x
  2. Step 2: Convert to fraction form
    79,792,365.60/119,688,548.40 = 45,685,663.20/x
  3. Step 3: Cross multiply
    79,792,365.60x = 119,688,548.40 × 45,685,663.20
  4. Step 4: Simplify right side
    79,792,365.60x = 5,468,050,711,099,300
  5. Step 5: Solve for x
    x = 5,468,050,711,099,300/79,792,365.60
  6. Step 6: Final answer
    x = 68,528,494.80

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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.