Home / 55,316,935.77-76,335,369.61-30,536,590.38

Finding the Fourth Proportional to 55,316,935.77, 76,335,369.61 and 30,536,590.38

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Solution

The fourth proportional to 55,316,935.77, 76,335,369.61 and 30,536,590.38 is: 42,139,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,935.77 : 76,335,369.61 = 30,536,590.38 : x
  2. Step 2: Convert to fraction form
    55,316,935.77/76,335,369.61 = 30,536,590.38/x
  3. Step 3: Cross multiply
    55,316,935.77x = 76,335,369.61 × 30,536,590.38
  4. Step 4: Simplify right side
    55,316,935.77x = 2,331,021,913,133,787.50
  5. Step 5: Solve for x
    x = 2,331,021,913,133,787.50/55,316,935.77
  6. Step 6: Final answer
    x = 42,139,389.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.