Home / 134,723,032.16-185,916,701.40-78,213,021.56

Finding the Fourth Proportional to 134,723,032.16, 185,916,701.40 and 78,213,021.56

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Solution

The fourth proportional to 134,723,032.16, 185,916,701.40 and 78,213,021.56 is: 107,933,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,723,032.16 : 185,916,701.40 = 78,213,021.56 : x
  2. Step 2: Convert to fraction form
    134,723,032.16/185,916,701.40 = 78,213,021.56/x
  3. Step 3: Cross multiply
    134,723,032.16x = 185,916,701.40 × 78,213,021.56
  4. Step 4: Simplify right side
    134,723,032.16x = 14,541,106,974,962,284
  5. Step 5: Solve for x
    x = 14,541,106,974,962,284/134,723,032.16
  6. Step 6: Final answer
    x = 107,933,341.03

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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.