Home / 42,579,246.80-63,868,870.20-39,294,664.40

Finding the Fourth Proportional to 42,579,246.80, 63,868,870.20 and 39,294,664.40

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Solution

The fourth proportional to 42,579,246.80, 63,868,870.20 and 39,294,664.40 is: 58,941,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579,246.80 : 63,868,870.20 = 39,294,664.40 : x
  2. Step 2: Convert to fraction form
    42,579,246.80/63,868,870.20 = 39,294,664.40/x
  3. Step 3: Cross multiply
    42,579,246.80x = 63,868,870.20 × 39,294,664.40
  4. Step 4: Simplify right side
    42,579,246.80x = 2,509,705,820,116,161
  5. Step 5: Solve for x
    x = 2,509,705,820,116,161/42,579,246.80
  6. Step 6: Final answer
    x = 58,941,996.60

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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.