Home / 145,667,510.92-201,018,818.32-79,586,589.88

Finding the Fourth Proportional to 145,667,510.92, 201,018,818.32 and 79,586,589.88

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Solution

The fourth proportional to 145,667,510.92, 201,018,818.32 and 79,586,589.88 is: 109,828,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,667,510.92 : 201,018,818.32 = 79,586,589.88 : x
  2. Step 2: Convert to fraction form
    145,667,510.92/201,018,818.32 = 79,586,589.88/x
  3. Step 3: Cross multiply
    145,667,510.92x = 201,018,818.32 × 79,586,589.88
  4. Step 4: Simplify right side
    145,667,510.92x = 15,998,402,251,796,070
  5. Step 5: Solve for x
    x = 15,998,402,251,796,070/145,667,510.92
  6. Step 6: Final answer
    x = 109,828,211.87

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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.