Home / 60,639,618.40-90,963,364.20-31,941,804.40

Finding the Fourth Proportional to 60,639,618.40, 90,963,364.20 and 31,941,804.40

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Solution

The fourth proportional to 60,639,618.40, 90,963,364.20 and 31,941,804.40 is: 47,914,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639,618.40 : 90,963,364.20 = 31,941,804.40 : x
  2. Step 2: Convert to fraction form
    60,639,618.40/90,963,364.20 = 31,941,804.40/x
  3. Step 3: Cross multiply
    60,639,618.40x = 90,963,364.20 × 31,941,804.40
  4. Step 4: Simplify right side
    60,639,618.40x = 2,905,533,986,842,362.50
  5. Step 5: Solve for x
    x = 2,905,533,986,842,362.50/60,639,618.40
  6. Step 6: Final answer
    x = 47,914,780.20

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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.