Home / 109,307,090,010.05-163,960,635,015.08-65,190,968,000.45

Finding the Fourth Proportional to 109,307,090,010.05, 163,960,635,015.08 and 65,190,968,000.45

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Solution

The fourth proportional to 109,307,090,010.05, 163,960,635,015.08 and 65,190,968,000.45 is: 97,786,452,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307,090,010.05 : 163,960,635,015.08 = 65,190,968,000.45 : x
  2. Step 2: Convert to fraction form
    109,307,090,010.05/163,960,635,015.08 = 65,190,968,000.45/x
  3. Step 3: Cross multiply
    109,307,090,010.05x = 163,960,635,015.08 × 65,190,968,000.45
  4. Step 4: Simplify right side
    109,307,090,010.05x = 10,688,752,510,601,539,878,912
  5. Step 5: Solve for x
    x = 10,688,752,510,601,539,878,912/109,307,090,010.05
  6. Step 6: Final answer
    x = 97,786,452,000.68

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1.5x scale

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.