Home / 208,309,937.42-312,477,897-54,956,141.48

Finding the Fourth Proportional to 208,309,937.42, 312,477,897 and 54,956,141.48

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Solution

The fourth proportional to 208,309,937.42, 312,477,897 and 54,956,141.48 is: 82,437,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,309,937.42 : 312,477,897 = 54,956,141.48 : x
  2. Step 2: Convert to fraction form
    208,309,937.42/312,477,897 = 54,956,141.48/x
  3. Step 3: Cross multiply
    208,309,937.42x = 312,477,897 × 54,956,141.48
  4. Step 4: Simplify right side
    208,309,937.42x = 17,172,579,516,904,866
  5. Step 5: Solve for x
    x = 17,172,579,516,904,866/208,309,937.42
  6. Step 6: Final answer
    x = 82,437,639.46

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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.