Home / 101,249,197.98-139,726,762.16-57,198,060.78

Finding the Fourth Proportional to 101,249,197.98, 139,726,762.16 and 57,198,060.78

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Solution

The fourth proportional to 101,249,197.98, 139,726,762.16 and 57,198,060.78 is: 78,934,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,249,197.98 : 139,726,762.16 = 57,198,060.78 : x
  2. Step 2: Convert to fraction form
    101,249,197.98/139,726,762.16 = 57,198,060.78/x
  3. Step 3: Cross multiply
    101,249,197.98x = 139,726,762.16 × 57,198,060.78
  4. Step 4: Simplify right side
    101,249,197.98x = 7,992,099,834,334,294
  5. Step 5: Solve for x
    x = 7,992,099,834,334,294/101,249,197.98
  6. Step 6: Final answer
    x = 78,934,944.61

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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.