Home / 45,139,982.50-62,312,246.76-30,475,513.54

Finding the Fourth Proportional to 45,139,982.50, 62,312,246.76 and 30,475,513.54

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Solution

The fourth proportional to 45,139,982.50, 62,312,246.76 and 30,475,513.54 is: 42,069,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,982.50 : 62,312,246.76 = 30,475,513.54 : x
  2. Step 2: Convert to fraction form
    45,139,982.50/62,312,246.76 = 30,475,513.54/x
  3. Step 3: Cross multiply
    45,139,982.50x = 62,312,246.76 × 30,475,513.54
  4. Step 4: Simplify right side
    45,139,982.50x = 1,898,997,719,842,201
  5. Step 5: Solve for x
    x = 1,898,997,719,842,201/45,139,982.50
  6. Step 6: Final answer
    x = 42,069,084.10

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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.