Home / 111,778,939,683.90-154,268,463,509.19-63,618,692,857.02

Finding the Fourth Proportional to 111,778,939,683.90, 154,268,463,509.19 and 63,618,692,857.02

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Solution

The fourth proportional to 111,778,939,683.90, 154,268,463,509.19 and 63,618,692,857.02 is: 87,801,494,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,778,939,683.90 : 154,268,463,509.19 = 63,618,692,857.02 : x
  2. Step 2: Convert to fraction form
    111,778,939,683.90/154,268,463,509.19 = 63,618,692,857.02/x
  3. Step 3: Cross multiply
    111,778,939,683.90x = 154,268,463,509.19 × 63,618,692,857.02
  4. Step 4: Simplify right side
    111,778,939,683.90x = 9,814,357,997,515,555,471,360
  5. Step 5: Solve for x
    x = 9,814,357,997,515,555,471,360/111,778,939,683.90
  6. Step 6: Final answer
    x = 87,801,494,854.66

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1.5x scale

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.