Home / 109,152,005.80-163,728,008.70-89,780,981.35

Finding the Fourth Proportional to 109,152,005.80, 163,728,008.70 and 89,780,981.35

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Solution

The fourth proportional to 109,152,005.80, 163,728,008.70 and 89,780,981.35 is: 134,671,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,152,005.80 : 163,728,008.70 = 89,780,981.35 : x
  2. Step 2: Convert to fraction form
    109,152,005.80/163,728,008.70 = 89,780,981.35/x
  3. Step 3: Cross multiply
    109,152,005.80x = 163,728,008.70 × 89,780,981.35
  4. Step 4: Simplify right side
    109,152,005.80x = 14,699,661,295,567,336
  5. Step 5: Solve for x
    x = 14,699,661,295,567,336/109,152,005.80
  6. Step 6: Final answer
    x = 134,671,472.03

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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.