Home / 85,588,661.07-118,112,352.29-48,920,019.39

Finding the Fourth Proportional to 85,588,661.07, 118,112,352.29 and 48,920,019.39

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Solution

The fourth proportional to 85,588,661.07, 118,112,352.29 and 48,920,019.39 is: 67,509,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588,661.07 : 118,112,352.29 = 48,920,019.39 : x
  2. Step 2: Convert to fraction form
    85,588,661.07/118,112,352.29 = 48,920,019.39/x
  3. Step 3: Cross multiply
    85,588,661.07x = 118,112,352.29 × 48,920,019.39
  4. Step 4: Simplify right side
    85,588,661.07x = 5,778,058,563,980,711
  5. Step 5: Solve for x
    x = 5,778,058,563,980,711/85,588,661.07
  6. Step 6: Final answer
    x = 67,509,626.76

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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.