Home / 189,602,124.48-261,672,210.24-107,101,222.56

Finding the Fourth Proportional to 189,602,124.48, 261,672,210.24 and 107,101,222.56

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Solution

The fourth proportional to 189,602,124.48, 261,672,210.24 and 107,101,222.56 is: 147,811,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,602,124.48 : 261,672,210.24 = 107,101,222.56 : x
  2. Step 2: Convert to fraction form
    189,602,124.48/261,672,210.24 = 107,101,222.56/x
  3. Step 3: Cross multiply
    189,602,124.48x = 261,672,210.24 × 107,101,222.56
  4. Step 4: Simplify right side
    189,602,124.48x = 28,025,413,626,681,352
  5. Step 5: Solve for x
    x = 28,025,413,626,681,352/189,602,124.48
  6. Step 6: Final answer
    x = 147,811,706.77

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1.5x scale

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.