Home / 45,139,588.40-62,311,699.08-30,475,116.56

Finding the Fourth Proportional to 45,139,588.40, 62,311,699.08 and 30,475,116.56

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Solution

The fourth proportional to 45,139,588.40, 62,311,699.08 and 30,475,116.56 is: 42,068,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,588.40 : 62,311,699.08 = 30,475,116.56 : x
  2. Step 2: Convert to fraction form
    45,139,588.40/62,311,699.08 = 30,475,116.56/x
  3. Step 3: Cross multiply
    45,139,588.40x = 62,311,699.08 × 30,475,116.56
  4. Step 4: Simplify right side
    45,139,588.40x = 1,898,956,292,514,644.75
  5. Step 5: Solve for x
    x = 1,898,956,292,514,644.75/45,139,588.40
  6. Step 6: Final answer
    x = 42,068,533.63

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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.