Home / 346,560,037.20-519,840,055.80-142,020,133.20

Finding the Fourth Proportional to 346,560,037.20, 519,840,055.80 and 142,020,133.20

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Solution

The fourth proportional to 346,560,037.20, 519,840,055.80 and 142,020,133.20 is: 213,030,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,560,037.20 : 519,840,055.80 = 142,020,133.20 : x
  2. Step 2: Convert to fraction form
    346,560,037.20/519,840,055.80 = 142,020,133.20/x
  3. Step 3: Cross multiply
    346,560,037.20x = 519,840,055.80 × 142,020,133.20
  4. Step 4: Simplify right side
    346,560,037.20x = 73,827,753,967,411,424
  5. Step 5: Solve for x
    x = 73,827,753,967,411,424/346,560,037.20
  6. Step 6: Final answer
    x = 213,030,199.80

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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.