Home / 98,178,281,831.30-135,489,371,884.19-56,975,471,539.34

Finding the Fourth Proportional to 98,178,281,831.30, 135,489,371,884.19 and 56,975,471,539.34

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Solution

The fourth proportional to 98,178,281,831.30, 135,489,371,884.19 and 56,975,471,539.34 is: 78,628,090,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,178,281,831.30 : 135,489,371,884.19 = 56,975,471,539.34 : x
  2. Step 2: Convert to fraction form
    98,178,281,831.30/135,489,371,884.19 = 56,975,471,539.34/x
  3. Step 3: Cross multiply
    98,178,281,831.30x = 135,489,371,884.19 × 56,975,471,539.34
  4. Step 4: Simplify right side
    98,178,281,831.30x = 7,719,570,851,670,719,987,712
  5. Step 5: Solve for x
    x = 7,719,570,851,670,719,987,712/98,178,281,831.30
  6. Step 6: Final answer
    x = 78,628,090,731.26

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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.