Home / 115,075,730.64-158,810,178.60-65,517,085.92

Finding the Fourth Proportional to 115,075,730.64, 158,810,178.60 and 65,517,085.92

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Solution

The fourth proportional to 115,075,730.64, 158,810,178.60 and 65,517,085.92 is: 90,416,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,075,730.64 : 158,810,178.60 = 65,517,085.92 : x
  2. Step 2: Convert to fraction form
    115,075,730.64/158,810,178.60 = 65,517,085.92/x
  3. Step 3: Cross multiply
    115,075,730.64x = 158,810,178.60 × 65,517,085.92
  4. Step 4: Simplify right side
    115,075,730.64x = 10,404,780,116,306,746
  5. Step 5: Solve for x
    x = 10,404,780,116,306,746/115,075,730.64
  6. Step 6: Final answer
    x = 90,416,806.90

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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.