Home / 56,549,825.02-78,039,071.40-31,771,056.70

Finding the Fourth Proportional to 56,549,825.02, 78,039,071.40 and 31,771,056.70

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Solution

The fourth proportional to 56,549,825.02, 78,039,071.40 and 31,771,056.70 is: 43,844,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,549,825.02 : 78,039,071.40 = 31,771,056.70 : x
  2. Step 2: Convert to fraction form
    56,549,825.02/78,039,071.40 = 31,771,056.70/x
  3. Step 3: Cross multiply
    56,549,825.02x = 78,039,071.40 × 31,771,056.70
  4. Step 4: Simplify right side
    56,549,825.02x = 2,479,383,762,264,748.50
  5. Step 5: Solve for x
    x = 2,479,383,762,264,748.50/56,549,825.02
  6. Step 6: Final answer
    x = 43,844,234.03

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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.