Home / 142,044,781.10-213,075,438.50-39,816,790.34

Finding the Fourth Proportional to 142,044,781.10, 213,075,438.50 and 39,816,790.34

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Solution

The fourth proportional to 142,044,781.10, 213,075,438.50 and 39,816,790.34 is: 59,727,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,044,781.10 : 213,075,438.50 = 39,816,790.34 : x
  2. Step 2: Convert to fraction form
    142,044,781.10/213,075,438.50 = 39,816,790.34/x
  3. Step 3: Cross multiply
    142,044,781.10x = 213,075,438.50 × 39,816,790.34
  4. Step 4: Simplify right side
    142,044,781.10x = 8,483,980,060,392,229
  5. Step 5: Solve for x
    x = 8,483,980,060,392,229/142,044,781.10
  6. Step 6: Final answer
    x = 59,727,502.80

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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.