Home / 121,347,205.80-182,020,808.70-70,202,898.60

Finding the Fourth Proportional to 121,347,205.80, 182,020,808.70 and 70,202,898.60

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Solution

The fourth proportional to 121,347,205.80, 182,020,808.70 and 70,202,898.60 is: 105,304,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,347,205.80 : 182,020,808.70 = 70,202,898.60 : x
  2. Step 2: Convert to fraction form
    121,347,205.80/182,020,808.70 = 70,202,898.60/x
  3. Step 3: Cross multiply
    121,347,205.80x = 182,020,808.70 × 70,202,898.60
  4. Step 4: Simplify right side
    121,347,205.80x = 12,778,388,376,256,096
  5. Step 5: Solve for x
    x = 12,778,388,376,256,096/121,347,205.80
  6. Step 6: Final answer
    x = 105,304,347.90

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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.