Home / 120,855,047,303.49-166,780,483,783.95-65,923,417,425.48

Finding the Fourth Proportional to 120,855,047,303.49, 166,780,483,783.95 and 65,923,417,425.48

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Solution

The fourth proportional to 120,855,047,303.49, 166,780,483,783.95 and 65,923,417,425.48 is: 90,974,598,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855,047,303.49 : 166,780,483,783.95 = 65,923,417,425.48 : x
  2. Step 2: Convert to fraction form
    120,855,047,303.49/166,780,483,783.95 = 65,923,417,425.48/x
  3. Step 3: Cross multiply
    120,855,047,303.49x = 166,780,483,783.95 × 65,923,417,425.48
  4. Step 4: Simplify right side
    120,855,047,303.49x = 10,994,739,450,911,999,918,080
  5. Step 5: Solve for x
    x = 10,994,739,450,911,999,918,080/120,855,047,303.49
  6. Step 6: Final answer
    x = 90,974,598,878.79

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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.