Home / 192,913,312.80-289,705,892.40-102,214,048.80

Finding the Fourth Proportional to 192,913,312.80, 289,705,892.40 and 102,214,048.80

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Solution

The fourth proportional to 192,913,312.80, 289,705,892.40 and 102,214,048.80 is: 153,499,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,913,312.80 : 289,705,892.40 = 102,214,048.80 : x
  2. Step 2: Convert to fraction form
    192,913,312.80/289,705,892.40 = 102,214,048.80/x
  3. Step 3: Cross multiply
    192,913,312.80x = 289,705,892.40 × 102,214,048.80
  4. Step 4: Simplify right side
    192,913,312.80x = 29,612,012,223,421,144
  5. Step 5: Solve for x
    x = 29,612,012,223,421,144/192,913,312.80
  6. Step 6: Final answer
    x = 153,499,060.24

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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.