Home / 139,626,461.16-192,680,565.06-76,045,359.30

Finding the Fourth Proportional to 139,626,461.16, 192,680,565.06 and 76,045,359.30

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Solution

The fourth proportional to 139,626,461.16, 192,680,565.06 and 76,045,359.30 is: 104,940,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,626,461.16 : 192,680,565.06 = 76,045,359.30 : x
  2. Step 2: Convert to fraction form
    139,626,461.16/192,680,565.06 = 76,045,359.30/x
  3. Step 3: Cross multiply
    139,626,461.16x = 192,680,565.06 × 76,045,359.30
  4. Step 4: Simplify right side
    139,626,461.16x = 14,652,462,800,114,726
  5. Step 5: Solve for x
    x = 14,652,462,800,114,726/139,626,461.16
  6. Step 6: Final answer
    x = 104,940,443.80

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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.