Home / 85,314,926.88-117,731,687.76-48,657,307.68

Finding the Fourth Proportional to 85,314,926.88, 117,731,687.76 and 48,657,307.68

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Solution

The fourth proportional to 85,314,926.88, 117,731,687.76 and 48,657,307.68 is: 67,145,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,314,926.88 : 117,731,687.76 = 48,657,307.68 : x
  2. Step 2: Convert to fraction form
    85,314,926.88/117,731,687.76 = 48,657,307.68/x
  3. Step 3: Cross multiply
    85,314,926.88x = 117,731,687.76 × 48,657,307.68
  4. Step 4: Simplify right side
    85,314,926.88x = 5,728,506,955,024,010
  5. Step 5: Solve for x
    x = 5,728,506,955,024,010/85,314,926.88
  6. Step 6: Final answer
    x = 67,145,424.19

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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.