Home / 208,472,315,323.27-312,829,117,235.75-87,450,031,605.18

Finding the Fourth Proportional to 208,472,315,323.27, 312,829,117,235.75 and 87,450,031,605.18

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Solution

The fourth proportional to 208,472,315,323.27, 312,829,117,235.75 and 87,450,031,605.18 is: 131,225,655,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,472,315,323.27 : 312,829,117,235.75 = 87,450,031,605.18 : x
  2. Step 2: Convert to fraction form
    208,472,315,323.27/312,829,117,235.75 = 87,450,031,605.18/x
  3. Step 3: Cross multiply
    208,472,315,323.27x = 312,829,117,235.75 × 87,450,031,605.18
  4. Step 4: Simplify right side
    208,472,315,323.27x = 27,356,916,189,285,333,336,064
  5. Step 5: Solve for x
    x = 27,356,916,189,285,333,336,064/208,472,315,323.27
  6. Step 6: Final answer
    x = 131,225,655,295.59

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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.