Home / 129,359,429.70-194,133,622.95-91,095,677.70

Finding the Fourth Proportional to 129,359,429.70, 194,133,622.95 and 91,095,677.70

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Solution

The fourth proportional to 129,359,429.70, 194,133,622.95 and 91,095,677.70 is: 136,710,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,359,429.70 : 194,133,622.95 = 91,095,677.70 : x
  2. Step 2: Convert to fraction form
    129,359,429.70/194,133,622.95 = 91,095,677.70/x
  3. Step 3: Cross multiply
    129,359,429.70x = 194,133,622.95 × 91,095,677.70
  4. Step 4: Simplify right side
    129,359,429.70x = 17,684,733,946,986,522
  5. Step 5: Solve for x
    x = 17,684,733,946,986,522/129,359,429.70
  6. Step 6: Final answer
    x = 136,710,048.80

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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.