Home / 305,762,092.40-421,999,610.76-180,328,075.52

Finding the Fourth Proportional to 305,762,092.40, 421,999,610.76 and 180,328,075.52

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Solution

The fourth proportional to 305,762,092.40, 421,999,610.76 and 180,328,075.52 is: 248,881,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,762,092.40 : 421,999,610.76 = 180,328,075.52 : x
  2. Step 2: Convert to fraction form
    305,762,092.40/421,999,610.76 = 180,328,075.52/x
  3. Step 3: Cross multiply
    305,762,092.40x = 421,999,610.76 × 180,328,075.52
  4. Step 4: Simplify right side
    305,762,092.40x = 76,098,377,678,539,888
  5. Step 5: Solve for x
    x = 76,098,377,678,539,888/305,762,092.40
  6. Step 6: Final answer
    x = 248,881,007.72

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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.