Home / 139,075,308.54-208,607,815.08-56,112,939.90

Finding the Fourth Proportional to 139,075,308.54, 208,607,815.08 and 56,112,939.90

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Solution

The fourth proportional to 139,075,308.54, 208,607,815.08 and 56,112,939.90 is: 84,167,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,075,308.54 : 208,607,815.08 = 56,112,939.90 : x
  2. Step 2: Convert to fraction form
    139,075,308.54/208,607,815.08 = 56,112,939.90/x
  3. Step 3: Cross multiply
    139,075,308.54x = 208,607,815.08 × 56,112,939.90
  4. Step 4: Simplify right side
    139,075,308.54x = 11,705,597,790,254,354
  5. Step 5: Solve for x
    x = 11,705,597,790,254,354/139,075,308.54
  6. Step 6: Final answer
    x = 84,167,332.89

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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.