Home / 142,359,337.80-213,539,006.70-96,673,782.60

Finding the Fourth Proportional to 142,359,337.80, 213,539,006.70 and 96,673,782.60

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Solution

The fourth proportional to 142,359,337.80, 213,539,006.70 and 96,673,782.60 is: 145,010,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,359,337.80 : 213,539,006.70 = 96,673,782.60 : x
  2. Step 2: Convert to fraction form
    142,359,337.80/213,539,006.70 = 96,673,782.60/x
  3. Step 3: Cross multiply
    142,359,337.80x = 213,539,006.70 × 96,673,782.60
  4. Step 4: Simplify right side
    142,359,337.80x = 20,643,623,510,335,740
  5. Step 5: Solve for x
    x = 20,643,623,510,335,740/142,359,337.80
  6. Step 6: Final answer
    x = 145,010,673.90

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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.