Home / 108,106,479.30-162,168,569.02-31,429,413.66

Finding the Fourth Proportional to 108,106,479.30, 162,168,569.02 and 31,429,413.66

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Solution

The fourth proportional to 108,106,479.30, 162,168,569.02 and 31,429,413.66 is: 47,146,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,106,479.30 : 162,168,569.02 = 31,429,413.66 : x
  2. Step 2: Convert to fraction form
    108,106,479.30/162,168,569.02 = 31,429,413.66/x
  3. Step 3: Cross multiply
    108,106,479.30x = 162,168,569.02 × 31,429,413.66
  4. Step 4: Simplify right side
    108,106,479.30x = 5,096,863,038,379,841
  5. Step 5: Solve for x
    x = 5,096,863,038,379,841/108,106,479.30
  6. Step 6: Final answer
    x = 47,146,693.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.