Home / 129,139,548,869.20-193,709,323,303.80-129,139,548,869.20

Finding the Fourth Proportional to 129,139,548,869.20, 193,709,323,303.80 and 129,139,548,869.20

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Solution

The fourth proportional to 129,139,548,869.20, 193,709,323,303.80 and 129,139,548,869.20 is: 193,709,323,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,139,548,869.20 : 193,709,323,303.80 = 129,139,548,869.20 : x
  2. Step 2: Convert to fraction form
    129,139,548,869.20/193,709,323,303.80 = 129,139,548,869.20/x
  3. Step 3: Cross multiply
    129,139,548,869.20x = 193,709,323,303.80 × 129,139,548,869.20
  4. Step 4: Simplify right side
    129,139,548,869.20x = 25,015,534,623,210,738,810,880
  5. Step 5: Solve for x
    x = 25,015,534,623,210,738,810,880/129,139,548,869.20
  6. Step 6: Final answer
    x = 193,709,323,303.80

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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.