Home / 86,171,948.84-118,917,153.65-47,013,729.03

Finding the Fourth Proportional to 86,171,948.84, 118,917,153.65 and 47,013,729.03

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Solution

The fourth proportional to 86,171,948.84, 118,917,153.65 and 47,013,729.03 is: 64,878,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,171,948.84 : 118,917,153.65 = 47,013,729.03 : x
  2. Step 2: Convert to fraction form
    86,171,948.84/118,917,153.65 = 47,013,729.03/x
  3. Step 3: Cross multiply
    86,171,948.84x = 118,917,153.65 × 47,013,729.03
  4. Step 4: Simplify right side
    86,171,948.84x = 5,590,738,838,719,976
  5. Step 5: Solve for x
    x = 5,590,738,838,719,976/86,171,948.84
  6. Step 6: Final answer
    x = 64,878,872.00

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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.