Home / 209,458,612.92-314,237,374.74-65,851,444.92

Finding the Fourth Proportional to 209,458,612.92, 314,237,374.74 and 65,851,444.92

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Solution

The fourth proportional to 209,458,612.92, 314,237,374.74 and 65,851,444.92 is: 98,792,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,458,612.92 : 314,237,374.74 = 65,851,444.92 : x
  2. Step 2: Convert to fraction form
    209,458,612.92/314,237,374.74 = 65,851,444.92/x
  3. Step 3: Cross multiply
    209,458,612.92x = 314,237,374.74 × 65,851,444.92
  4. Step 4: Simplify right side
    209,458,612.92x = 20,692,985,174,496,512
  5. Step 5: Solve for x
    x = 20,692,985,174,496,512/209,458,612.92
  6. Step 6: Final answer
    x = 98,792,715.59

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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.