Home / 341,496,741.40-512,245,112.10-99,184,139.80

Finding the Fourth Proportional to 341,496,741.40, 512,245,112.10 and 99,184,139.80

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Solution

The fourth proportional to 341,496,741.40, 512,245,112.10 and 99,184,139.80 is: 148,776,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,496,741.40 : 512,245,112.10 = 99,184,139.80 : x
  2. Step 2: Convert to fraction form
    341,496,741.40/512,245,112.10 = 99,184,139.80/x
  3. Step 3: Cross multiply
    341,496,741.40x = 512,245,112.10 × 99,184,139.80
  4. Step 4: Simplify right side
    341,496,741.40x = 50,806,590,810,393,072
  5. Step 5: Solve for x
    x = 50,806,590,810,393,072/341,496,741.40
  6. Step 6: Final answer
    x = 148,776,209.70

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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.