Home / 142,020,325.80-213,037,487.10-73,995,877.80

Finding the Fourth Proportional to 142,020,325.80, 213,037,487.10 and 73,995,877.80

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Solution

The fourth proportional to 142,020,325.80, 213,037,487.10 and 73,995,877.80 is: 110,997,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,020,325.80 : 213,037,487.10 = 73,995,877.80 : x
  2. Step 2: Convert to fraction form
    142,020,325.80/213,037,487.10 = 73,995,877.80/x
  3. Step 3: Cross multiply
    142,020,325.80x = 213,037,487.10 × 73,995,877.80
  4. Step 4: Simplify right side
    142,020,325.80x = 15,763,895,862,270,676
  5. Step 5: Solve for x
    x = 15,763,895,862,270,676/142,020,325.80
  6. Step 6: Final answer
    x = 110,997,463.03

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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.