Home / 141,870,540.60-212,805,810.90-103,128,491.70

Finding the Fourth Proportional to 141,870,540.60, 212,805,810.90 and 103,128,491.70

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Solution

The fourth proportional to 141,870,540.60, 212,805,810.90 and 103,128,491.70 is: 154,692,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,870,540.60 : 212,805,810.90 = 103,128,491.70 : x
  2. Step 2: Convert to fraction form
    141,870,540.60/212,805,810.90 = 103,128,491.70/x
  3. Step 3: Cross multiply
    141,870,540.60x = 212,805,810.90 × 103,128,491.70
  4. Step 4: Simplify right side
    141,870,540.60x = 21,946,342,303,112,420
  5. Step 5: Solve for x
    x = 21,946,342,303,112,420/141,870,540.60
  6. Step 6: Final answer
    x = 154,692,737.55

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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.