Home / 58,205,872.80-87,308,809.20-55,371,520.80

Finding the Fourth Proportional to 58,205,872.80, 87,308,809.20 and 55,371,520.80

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Solution

The fourth proportional to 58,205,872.80, 87,308,809.20 and 55,371,520.80 is: 83,057,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,205,872.80 : 87,308,809.20 = 55,371,520.80 : x
  2. Step 2: Convert to fraction form
    58,205,872.80/87,308,809.20 = 55,371,520.80/x
  3. Step 3: Cross multiply
    58,205,872.80x = 87,308,809.20 × 55,371,520.80
  4. Step 4: Simplify right side
    58,205,872.80x = 4,834,421,544,641,031
  5. Step 5: Solve for x
    x = 4,834,421,544,641,031/58,205,872.80
  6. Step 6: Final answer
    x = 83,057,281.20

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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.