Home / 86,972,656,289.18-120,020,384,485.43-50,352,315,948.06

Finding the Fourth Proportional to 86,972,656,289.18, 120,020,384,485.43 and 50,352,315,948.06

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Solution

The fourth proportional to 86,972,656,289.18, 120,020,384,485.43 and 50,352,315,948.06 is: 69,485,106,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972,656,289.18 : 120,020,384,485.43 = 50,352,315,948.06 : x
  2. Step 2: Convert to fraction form
    86,972,656,289.18/120,020,384,485.43 = 50,352,315,948.06/x
  3. Step 3: Cross multiply
    86,972,656,289.18x = 120,020,384,485.43 × 50,352,315,948.06
  4. Step 4: Simplify right side
    86,972,656,289.18x = 6,043,304,319,818,009,673,728
  5. Step 5: Solve for x
    x = 6,043,304,319,818,009,673,728/86,972,656,289.18
  6. Step 6: Final answer
    x = 69,485,106,902.15

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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.