Home / 78,495,886.08-108,326,730.24-43,690,510.08

Finding the Fourth Proportional to 78,495,886.08, 108,326,730.24 and 43,690,510.08

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Solution

The fourth proportional to 78,495,886.08, 108,326,730.24 and 43,690,510.08 is: 60,294,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495,886.08 : 108,326,730.24 = 43,690,510.08 : x
  2. Step 2: Convert to fraction form
    78,495,886.08/108,326,730.24 = 43,690,510.08/x
  3. Step 3: Cross multiply
    78,495,886.08x = 108,326,730.24 × 43,690,510.08
  4. Step 4: Simplify right side
    78,495,886.08x = 4,732,850,099,484,160
  5. Step 5: Solve for x
    x = 4,732,850,099,484,160/78,495,886.08
  6. Step 6: Final answer
    x = 60,294,243.89

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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.