Home / 78,772,674.17-108,576,185.40-52,657,663.43

Finding the Fourth Proportional to 78,772,674.17, 108,576,185.40 and 52,657,663.43

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Solution

The fourth proportional to 78,772,674.17, 108,576,185.40 and 52,657,663.43 is: 72,580,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,772,674.17 : 108,576,185.40 = 52,657,663.43 : x
  2. Step 2: Convert to fraction form
    78,772,674.17/108,576,185.40 = 52,657,663.43/x
  3. Step 3: Cross multiply
    78,772,674.17x = 108,576,185.40 × 52,657,663.43
  4. Step 4: Simplify right side
    78,772,674.17x = 5,717,368,227,577,920
  5. Step 5: Solve for x
    x = 5,717,368,227,577,920/78,772,674.17
  6. Step 6: Final answer
    x = 72,580,603.46

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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.