Home / 51,920,946.18-77,881,551.12-21,215,525.58

Finding the Fourth Proportional to 51,920,946.18, 77,881,551.12 and 21,215,525.58

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Solution

The fourth proportional to 51,920,946.18, 77,881,551.12 and 21,215,525.58 is: 31,823,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920,946.18 : 77,881,551.12 = 21,215,525.58 : x
  2. Step 2: Convert to fraction form
    51,920,946.18/77,881,551.12 = 21,215,525.58/x
  3. Step 3: Cross multiply
    51,920,946.18x = 77,881,551.12 × 21,215,525.58
  4. Step 4: Simplify right side
    51,920,946.18x = 1,652,298,039,996,437.50
  5. Step 5: Solve for x
    x = 1,652,298,039,996,437.50/51,920,946.18
  6. Step 6: Final answer
    x = 31,823,342.25

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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.