Home / 65,123,745.95-89,870,946.25-35,756,980.63

Finding the Fourth Proportional to 65,123,745.95, 89,870,946.25 and 35,756,980.63

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Solution

The fourth proportional to 65,123,745.95, 89,870,946.25 and 35,756,980.63 is: 49,344,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123,745.95 : 89,870,946.25 = 35,756,980.63 : x
  2. Step 2: Convert to fraction form
    65,123,745.95/89,870,946.25 = 35,756,980.63/x
  3. Step 3: Cross multiply
    65,123,745.95x = 89,870,946.25 × 35,756,980.63
  4. Step 4: Simplify right side
    65,123,745.95x = 3,213,513,684,261,021.50
  5. Step 5: Solve for x
    x = 3,213,513,684,261,021.50/65,123,745.95
  6. Step 6: Final answer
    x = 49,344,730.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.