Home / 139,249,418.85-208,881,066.24-52,994,510.64

Finding the Fourth Proportional to 139,249,418.85, 208,881,066.24 and 52,994,510.64

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Solution

The fourth proportional to 139,249,418.85, 208,881,066.24 and 52,994,510.64 is: 79,494,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,249,418.85 : 208,881,066.24 = 52,994,510.64 : x
  2. Step 2: Convert to fraction form
    139,249,418.85/208,881,066.24 = 52,994,510.64/x
  3. Step 3: Cross multiply
    139,249,418.85x = 208,881,066.24 × 52,994,510.64
  4. Step 4: Simplify right side
    139,249,418.85x = 11,069,549,887,934,800
  5. Step 5: Solve for x
    x = 11,069,549,887,934,800/139,249,418.85
  6. Step 6: Final answer
    x = 79,494,406.36

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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.