Home / 157,030,806.51-235,437,132.11-69,544,650.10

Finding the Fourth Proportional to 157,030,806.51, 235,437,132.11 and 69,544,650.10

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Solution

The fourth proportional to 157,030,806.51, 235,437,132.11 and 69,544,650.10 is: 104,268,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,030,806.51 : 235,437,132.11 = 69,544,650.10 : x
  2. Step 2: Convert to fraction form
    157,030,806.51/235,437,132.11 = 69,544,650.10/x
  3. Step 3: Cross multiply
    157,030,806.51x = 235,437,132.11 × 69,544,650.10
  4. Step 4: Simplify right side
    157,030,806.51x = 16,373,392,973,137,424
  5. Step 5: Solve for x
    x = 16,373,392,973,137,424/157,030,806.51
  6. Step 6: Final answer
    x = 104,268,667.64

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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.