Home / 163,554,421.80-245,331,632.70-109,134,863.40

Finding the Fourth Proportional to 163,554,421.80, 245,331,632.70 and 109,134,863.40

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Solution

The fourth proportional to 163,554,421.80, 245,331,632.70 and 109,134,863.40 is: 163,702,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,554,421.80 : 245,331,632.70 = 109,134,863.40 : x
  2. Step 2: Convert to fraction form
    163,554,421.80/245,331,632.70 = 109,134,863.40/x
  3. Step 3: Cross multiply
    163,554,421.80x = 245,331,632.70 × 109,134,863.40
  4. Step 4: Simplify right side
    163,554,421.80x = 26,774,234,222,413,472
  5. Step 5: Solve for x
    x = 26,774,234,222,413,472/163,554,421.80
  6. Step 6: Final answer
    x = 163,702,295.10

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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.