Home / 130,032,450.48-195,018,828.54-77,524,979.36

Finding the Fourth Proportional to 130,032,450.48, 195,018,828.54 and 77,524,979.36

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Solution

The fourth proportional to 130,032,450.48, 195,018,828.54 and 77,524,979.36 is: 116,269,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,032,450.48 : 195,018,828.54 = 77,524,979.36 : x
  2. Step 2: Convert to fraction form
    130,032,450.48/195,018,828.54 = 77,524,979.36/x
  3. Step 3: Cross multiply
    130,032,450.48x = 195,018,828.54 × 77,524,979.36
  4. Step 4: Simplify right side
    130,032,450.48x = 15,118,830,657,374,878
  5. Step 5: Solve for x
    x = 15,118,830,657,374,878/130,032,450.48
  6. Step 6: Final answer
    x = 116,269,674.24

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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.