Home / 291,381,347.80-437,072,021.70-146,262,525.40

Finding the Fourth Proportional to 291,381,347.80, 437,072,021.70 and 146,262,525.40

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Solution

The fourth proportional to 291,381,347.80, 437,072,021.70 and 146,262,525.40 is: 219,393,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,347.80 : 437,072,021.70 = 146,262,525.40 : x
  2. Step 2: Convert to fraction form
    291,381,347.80/437,072,021.70 = 146,262,525.40/x
  3. Step 3: Cross multiply
    291,381,347.80x = 437,072,021.70 × 146,262,525.40
  4. Step 4: Simplify right side
    291,381,347.80x = 63,927,257,675,525,600
  5. Step 5: Solve for x
    x = 63,927,257,675,525,600/291,381,347.80
  6. Step 6: Final answer
    x = 219,393,788.10

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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.