Home / 141,307,712,786.44-195,005,249,898.77-77,079,836,775.17

Finding the Fourth Proportional to 141,307,712,786.44, 195,005,249,898.77 and 77,079,836,775.17

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Solution

The fourth proportional to 141,307,712,786.44, 195,005,249,898.77 and 77,079,836,775.17 is: 106,370,505,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,307,712,786.44 : 195,005,249,898.77 = 77,079,836,775.17 : x
  2. Step 2: Convert to fraction form
    141,307,712,786.44/195,005,249,898.77 = 77,079,836,775.17/x
  3. Step 3: Cross multiply
    141,307,712,786.44x = 195,005,249,898.77 × 77,079,836,775.17
  4. Step 4: Simplify right side
    141,307,712,786.44x = 15,030,972,832,498,426,314,752
  5. Step 5: Solve for x
    x = 15,030,972,832,498,426,314,752/141,307,712,786.44
  6. Step 6: Final answer
    x = 106,370,505,445.91

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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.