Home / 129,097,903.01-178,149,909.20-70,359,303.92

Finding the Fourth Proportional to 129,097,903.01, 178,149,909.20 and 70,359,303.92

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Solution

The fourth proportional to 129,097,903.01, 178,149,909.20 and 70,359,303.92 is: 97,093,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,097,903.01 : 178,149,909.20 = 70,359,303.92 : x
  2. Step 2: Convert to fraction form
    129,097,903.01/178,149,909.20 = 70,359,303.92/x
  3. Step 3: Cross multiply
    129,097,903.01x = 178,149,909.20 × 70,359,303.92
  4. Step 4: Simplify right side
    129,097,903.01x = 12,534,503,603,480,658
  5. Step 5: Solve for x
    x = 12,534,503,603,480,658/129,097,903.01
  6. Step 6: Final answer
    x = 97,093,007.03

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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.