Home / 60,571,969.40-90,857,954.10-28,213,117.40

Finding the Fourth Proportional to 60,571,969.40, 90,857,954.10 and 28,213,117.40

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Solution

The fourth proportional to 60,571,969.40, 90,857,954.10 and 28,213,117.40 is: 42,319,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571,969.40 : 90,857,954.10 = 28,213,117.40 : x
  2. Step 2: Convert to fraction form
    60,571,969.40/90,857,954.10 = 28,213,117.40/x
  3. Step 3: Cross multiply
    60,571,969.40x = 90,857,954.10 × 28,213,117.40
  4. Step 4: Simplify right side
    60,571,969.40x = 2,563,386,125,747,111
  5. Step 5: Solve for x
    x = 2,563,386,125,747,111/60,571,969.40
  6. Step 6: Final answer
    x = 42,319,676.10

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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.