Home / 152,384,056.92-210,291,702.66-89,674,018.92

Finding the Fourth Proportional to 152,384,056.92, 210,291,702.66 and 89,674,018.92

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Solution

The fourth proportional to 152,384,056.92, 210,291,702.66 and 89,674,018.92 is: 123,751,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,384,056.92 : 210,291,702.66 = 89,674,018.92 : x
  2. Step 2: Convert to fraction form
    152,384,056.92/210,291,702.66 = 89,674,018.92/x
  3. Step 3: Cross multiply
    152,384,056.92x = 210,291,702.66 × 89,674,018.92
  4. Step 4: Simplify right side
    152,384,056.92x = 18,857,702,123,051,856
  5. Step 5: Solve for x
    x = 18,857,702,123,051,856/152,384,056.92
  6. Step 6: Final answer
    x = 123,751,148.93

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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.