Home / 84,745,056.20-127,156,678.75-38,701,040.16

Finding the Fourth Proportional to 84,745,056.20, 127,156,678.75 and 38,701,040.16

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Solution

The fourth proportional to 84,745,056.20, 127,156,678.75 and 38,701,040.16 is: 58,069,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,056.20 : 127,156,678.75 = 38,701,040.16 : x
  2. Step 2: Convert to fraction form
    84,745,056.20/127,156,678.75 = 38,701,040.16/x
  3. Step 3: Cross multiply
    84,745,056.20x = 127,156,678.75 × 38,701,040.16
  4. Step 4: Simplify right side
    84,745,056.20x = 4,921,095,730,915,968
  5. Step 5: Solve for x
    x = 4,921,095,730,915,968/84,745,056.20
  6. Step 6: Final answer
    x = 58,069,413.74

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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.