Home / 152,568,490.16-210,543,031.86-82,953,870.86

Finding the Fourth Proportional to 152,568,490.16, 210,543,031.86 and 82,953,870.86

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Solution

The fourth proportional to 152,568,490.16, 210,543,031.86 and 82,953,870.86 is: 114,475,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,568,490.16 : 210,543,031.86 = 82,953,870.86 : x
  2. Step 2: Convert to fraction form
    152,568,490.16/210,543,031.86 = 82,953,870.86/x
  3. Step 3: Cross multiply
    152,568,490.16x = 210,543,031.86 × 82,953,870.86
  4. Step 4: Simplify right side
    152,568,490.16x = 17,465,359,475,387,306
  5. Step 5: Solve for x
    x = 17,465,359,475,387,306/152,568,490.16
  6. Step 6: Final answer
    x = 114,475,534.61

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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.