Home / 61,742,490.39-92,614,240.65-20,242,760.93

Finding the Fourth Proportional to 61,742,490.39, 92,614,240.65 and 20,242,760.93

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Solution

The fourth proportional to 61,742,490.39, 92,614,240.65 and 20,242,760.93 is: 30,364,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742,490.39 : 92,614,240.65 = 20,242,760.93 : x
  2. Step 2: Convert to fraction form
    61,742,490.39/92,614,240.65 = 20,242,760.93/x
  3. Step 3: Cross multiply
    61,742,490.39x = 92,614,240.65 × 20,242,760.93
  4. Step 4: Simplify right side
    61,742,490.39x = 1,874,767,932,037,714.75
  5. Step 5: Solve for x
    x = 1,874,767,932,037,714.75/61,742,490.39
  6. Step 6: Final answer
    x = 30,364,306.98

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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.