Home / 64,737,792,661.80-97,109,376,378.30-20,570,610,325.80

Finding the Fourth Proportional to 64,737,792,661.80, 97,109,376,378.30 and 20,570,610,325.80

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Solution

The fourth proportional to 64,737,792,661.80, 97,109,376,378.30 and 20,570,610,325.80 is: 30,856,769,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,737,792,661.80 : 97,109,376,378.30 = 20,570,610,325.80 : x
  2. Step 2: Convert to fraction form
    64,737,792,661.80/97,109,376,378.30 = 20,570,610,325.80/x
  3. Step 3: Cross multiply
    64,737,792,661.80x = 97,109,376,378.30 × 20,570,610,325.80
  4. Step 4: Simplify right side
    64,737,792,661.80x = 1,997,599,140,459,456,495,616
  5. Step 5: Solve for x
    x = 1,997,599,140,459,456,495,616/64,737,792,661.80
  6. Step 6: Final answer
    x = 30,856,769,412.81

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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.