Home / 85,662,942.76-118,229,960.10-48,495,345.40

Finding the Fourth Proportional to 85,662,942.76, 118,229,960.10 and 48,495,345.40

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Solution

The fourth proportional to 85,662,942.76, 118,229,960.10 and 48,495,345.40 is: 66,932,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,662,942.76 : 118,229,960.10 = 48,495,345.40 : x
  2. Step 2: Convert to fraction form
    85,662,942.76/118,229,960.10 = 48,495,345.40/x
  3. Step 3: Cross multiply
    85,662,942.76x = 118,229,960.10 × 48,495,345.40
  4. Step 4: Simplify right side
    85,662,942.76x = 5,733,602,751,677,718
  5. Step 5: Solve for x
    x = 5,733,602,751,677,718/85,662,942.76
  6. Step 6: Final answer
    x = 66,932,124.52

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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.