Home / 71,220,006.80-106,830,010.20-70,464,179.60

Finding the Fourth Proportional to 71,220,006.80, 106,830,010.20 and 70,464,179.60

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Solution

The fourth proportional to 71,220,006.80, 106,830,010.20 and 70,464,179.60 is: 105,696,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,220,006.80 : 106,830,010.20 = 70,464,179.60 : x
  2. Step 2: Convert to fraction form
    71,220,006.80/106,830,010.20 = 70,464,179.60/x
  3. Step 3: Cross multiply
    71,220,006.80x = 106,830,010.20 × 70,464,179.60
  4. Step 4: Simplify right side
    71,220,006.80x = 7,527,689,025,402,631
  5. Step 5: Solve for x
    x = 7,527,689,025,402,631/71,220,006.80
  6. Step 6: Final answer
    x = 105,696,269.40

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1.5x scale

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.