Home / 54,219,821.51-74,822,587.92-30,697,751.45

Finding the Fourth Proportional to 54,219,821.51, 74,822,587.92 and 30,697,751.45

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Solution

The fourth proportional to 54,219,821.51, 74,822,587.92 and 30,697,751.45 is: 42,362,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,821.51 : 74,822,587.92 = 30,697,751.45 : x
  2. Step 2: Convert to fraction form
    54,219,821.51/74,822,587.92 = 30,697,751.45/x
  3. Step 3: Cross multiply
    54,219,821.51x = 74,822,587.92 × 30,697,751.45
  4. Step 4: Simplify right side
    54,219,821.51x = 2,296,885,207,000,989
  5. Step 5: Solve for x
    x = 2,296,885,207,000,989/54,219,821.51
  6. Step 6: Final answer
    x = 42,362,463.45

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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.