Home / 85,908,387.78-118,553,594.52-47,277,219.78

Finding the Fourth Proportional to 85,908,387.78, 118,553,594.52 and 47,277,219.78

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Solution

The fourth proportional to 85,908,387.78, 118,553,594.52 and 47,277,219.78 is: 65,242,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,908,387.78 : 118,553,594.52 = 47,277,219.78 : x
  2. Step 2: Convert to fraction form
    85,908,387.78/118,553,594.52 = 47,277,219.78/x
  3. Step 3: Cross multiply
    85,908,387.78x = 118,553,594.52 × 47,277,219.78
  4. Step 4: Simplify right side
    85,908,387.78x = 5,604,884,343,831,044
  5. Step 5: Solve for x
    x = 5,604,884,343,831,044/85,908,387.78
  6. Step 6: Final answer
    x = 65,242,573.96

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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.