Home / 130,032,448.49-195,018,825.54-77,524,977.35

Finding the Fourth Proportional to 130,032,448.49, 195,018,825.54 and 77,524,977.35

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Solution

The fourth proportional to 130,032,448.49, 195,018,825.54 and 77,524,977.35 is: 116,269,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,032,448.49 : 195,018,825.54 = 77,524,977.35 : x
  2. Step 2: Convert to fraction form
    130,032,448.49/195,018,825.54 = 77,524,977.35/x
  3. Step 3: Cross multiply
    130,032,448.49x = 195,018,825.54 × 77,524,977.35
  4. Step 4: Simplify right side
    130,032,448.49x = 15,118,830,033,374,590
  5. Step 5: Solve for x
    x = 15,118,830,033,374,590/130,032,448.49
  6. Step 6: Final answer
    x = 116,269,671.22

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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.