Home / 77,850,430,836.76-116,775,837,617.64-21,953,211,365.08

Finding the Fourth Proportional to 77,850,430,836.76, 116,775,837,617.64 and 21,953,211,365.08

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Solution

The fourth proportional to 77,850,430,836.76, 116,775,837,617.64 and 21,953,211,365.08 is: 32,929,871,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,850,430,836.76 : 116,775,837,617.64 = 21,953,211,365.08 : x
  2. Step 2: Convert to fraction form
    77,850,430,836.76/116,775,837,617.64 = 21,953,211,365.08/x
  3. Step 3: Cross multiply
    77,850,430,836.76x = 116,775,837,617.64 × 21,953,211,365.08
  4. Step 4: Simplify right side
    77,850,430,836.76x = 2,563,604,645,554,311,135,232
  5. Step 5: Solve for x
    x = 2,563,604,645,554,311,135,232/77,850,430,836.76
  6. Step 6: Final answer
    x = 32,929,871,010.35

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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.