Home / 54,161,823.63-81,262,959.93-21,822,900.87

Finding the Fourth Proportional to 54,161,823.63, 81,262,959.93 and 21,822,900.87

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Solution

The fourth proportional to 54,161,823.63, 81,262,959.93 and 21,822,900.87 is: 32,742,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161,823.63 : 81,262,959.93 = 21,822,900.87 : x
  2. Step 2: Convert to fraction form
    54,161,823.63/81,262,959.93 = 21,822,900.87/x
  3. Step 3: Cross multiply
    54,161,823.63x = 81,262,959.93 × 21,822,900.87
  4. Step 4: Simplify right side
    54,161,823.63x = 1,773,393,518,955,172.50
  5. Step 5: Solve for x
    x = 1,773,393,518,955,172.50/54,161,823.63
  6. Step 6: Final answer
    x = 32,742,500.16

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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.