Home / 130,032,451.48-195,018,830.04-77,524,980.36

Finding the Fourth Proportional to 130,032,451.48, 195,018,830.04 and 77,524,980.36

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Solution

The fourth proportional to 130,032,451.48, 195,018,830.04 and 77,524,980.36 is: 116,269,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,032,451.48 : 195,018,830.04 = 77,524,980.36 : x
  2. Step 2: Convert to fraction form
    130,032,451.48/195,018,830.04 = 77,524,980.36/x
  3. Step 3: Cross multiply
    130,032,451.48x = 195,018,830.04 × 77,524,980.36
  4. Step 4: Simplify right side
    130,032,451.48x = 15,118,830,968,681,178
  5. Step 5: Solve for x
    x = 15,118,830,968,681,178/130,032,451.48
  6. Step 6: Final answer
    x = 116,269,675.74

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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.