Home / 139,956,782,803.95-193,140,235,475.10-79,001,980,265.55

Finding the Fourth Proportional to 139,956,782,803.95, 193,140,235,475.10 and 79,001,980,265.55

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Solution

The fourth proportional to 139,956,782,803.95, 193,140,235,475.10 and 79,001,980,265.55 is: 109,022,662,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,956,782,803.95 : 193,140,235,475.10 = 79,001,980,265.55 : x
  2. Step 2: Convert to fraction form
    139,956,782,803.95/193,140,235,475.10 = 79,001,980,265.55/x
  3. Step 3: Cross multiply
    139,956,782,803.95x = 193,140,235,475.10 × 79,001,980,265.55
  4. Step 4: Simplify right side
    139,956,782,803.95x = 15,258,461,071,487,530,958,848
  5. Step 5: Solve for x
    x = 15,258,461,071,487,530,958,848/139,956,782,803.95
  6. Step 6: Final answer
    x = 109,022,662,323.28

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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.