Home / 139,075,508.40-208,603,931.40-36,837,351.60

Finding the Fourth Proportional to 139,075,508.40, 208,603,931.40 and 36,837,351.60

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Solution

The fourth proportional to 139,075,508.40, 208,603,931.40 and 36,837,351.60 is: 55,253,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,075,508.40 : 208,603,931.40 = 36,837,351.60 : x
  2. Step 2: Convert to fraction form
    139,075,508.40/208,603,931.40 = 36,837,351.60/x
  3. Step 3: Cross multiply
    139,075,508.40x = 208,603,931.40 × 36,837,351.60
  4. Step 4: Simplify right side
    139,075,508.40x = 7,684,416,366,124,081
  5. Step 5: Solve for x
    x = 7,684,416,366,124,081/139,075,508.40
  6. Step 6: Final answer
    x = 55,253,555.82

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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.