Home / 142,020,346.80-213,037,518.60-73,995,898.80

Finding the Fourth Proportional to 142,020,346.80, 213,037,518.60 and 73,995,898.80

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Solution

The fourth proportional to 142,020,346.80, 213,037,518.60 and 73,995,898.80 is: 110,997,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,020,346.80 : 213,037,518.60 = 73,995,898.80 : x
  2. Step 2: Convert to fraction form
    142,020,346.80/213,037,518.60 = 73,995,898.80/x
  3. Step 3: Cross multiply
    142,020,346.80x = 213,037,518.60 × 73,995,898.80
  4. Step 4: Simplify right side
    142,020,346.80x = 15,763,902,666,928,716
  5. Step 5: Solve for x
    x = 15,763,902,666,928,716/142,020,346.80
  6. Step 6: Final answer
    x = 110,997,494.53

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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.