Home / 30,721,948.80-46,082,923.20-30,274,051.20

Finding the Fourth Proportional to 30,721,948.80, 46,082,923.20 and 30,274,051.20

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Solution

The fourth proportional to 30,721,948.80, 46,082,923.20 and 30,274,051.20 is: 45,411,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,948.80 : 46,082,923.20 = 30,274,051.20 : x
  2. Step 2: Convert to fraction form
    30,721,948.80/46,082,923.20 = 30,274,051.20/x
  3. Step 3: Cross multiply
    30,721,948.80x = 46,082,923.20 × 30,274,051.20
  4. Step 4: Simplify right side
    30,721,948.80x = 1,395,116,776,402,468
  5. Step 5: Solve for x
    x = 1,395,116,776,402,468/30,721,948.80
  6. Step 6: Final answer
    x = 45,411,076.80

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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.