Home / 153,792,030.60-230,688,045.90-80,909,137.80

Finding the Fourth Proportional to 153,792,030.60, 230,688,045.90 and 80,909,137.80

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Solution

The fourth proportional to 153,792,030.60, 230,688,045.90 and 80,909,137.80 is: 121,363,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,792,030.60 : 230,688,045.90 = 80,909,137.80 : x
  2. Step 2: Convert to fraction form
    153,792,030.60/230,688,045.90 = 80,909,137.80/x
  3. Step 3: Cross multiply
    153,792,030.60x = 230,688,045.90 × 80,909,137.80
  4. Step 4: Simplify right side
    153,792,030.60x = 18,664,770,894,535,824
  5. Step 5: Solve for x
    x = 18,664,770,894,535,824/153,792,030.60
  6. Step 6: Final answer
    x = 121,363,706.70

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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.