Home / 56,376,671.70-84,565,007.55-42,939,743.70

Finding the Fourth Proportional to 56,376,671.70, 84,565,007.55 and 42,939,743.70

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Solution

The fourth proportional to 56,376,671.70, 84,565,007.55 and 42,939,743.70 is: 64,409,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,671.70 : 84,565,007.55 = 42,939,743.70 : x
  2. Step 2: Convert to fraction form
    56,376,671.70/84,565,007.55 = 42,939,743.70/x
  3. Step 3: Cross multiply
    56,376,671.70x = 84,565,007.55 × 42,939,743.70
  4. Step 4: Simplify right side
    56,376,671.70x = 3,631,199,750,185,565
  5. Step 5: Solve for x
    x = 3,631,199,750,185,565/56,376,671.70
  6. Step 6: Final answer
    x = 64,409,615.55

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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.