Home / 157,030,806.71-235,437,132.39-69,544,650.30

Finding the Fourth Proportional to 157,030,806.71, 235,437,132.39 and 69,544,650.30

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Solution

The fourth proportional to 157,030,806.71, 235,437,132.39 and 69,544,650.30 is: 104,268,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,030,806.71 : 235,437,132.39 = 69,544,650.30 : x
  2. Step 2: Convert to fraction form
    157,030,806.71/235,437,132.39 = 69,544,650.30/x
  3. Step 3: Cross multiply
    157,030,806.71x = 235,437,132.39 × 69,544,650.30
  4. Step 4: Simplify right side
    157,030,806.71x = 16,373,393,039,697,352
  5. Step 5: Solve for x
    x = 16,373,393,039,697,352/157,030,806.71
  6. Step 6: Final answer
    x = 104,268,667.93

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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.