Home / 141,307,712,787.44-195,005,249,900.16-77,079,836,776.16

Finding the Fourth Proportional to 141,307,712,787.44, 195,005,249,900.16 and 77,079,836,776.16

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Solution

The fourth proportional to 141,307,712,787.44, 195,005,249,900.16 and 77,079,836,776.16 is: 106,370,505,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,307,712,787.44 : 195,005,249,900.16 = 77,079,836,776.16 : x
  2. Step 2: Convert to fraction form
    141,307,712,787.44/195,005,249,900.16 = 77,079,836,776.16/x
  3. Step 3: Cross multiply
    141,307,712,787.44x = 195,005,249,900.16 × 77,079,836,776.16
  4. Step 4: Simplify right side
    141,307,712,787.44x = 15,030,972,832,798,625,234,944
  5. Step 5: Solve for x
    x = 15,030,972,832,798,625,234,944/141,307,712,787.44
  6. Step 6: Final answer
    x = 106,370,505,447.28

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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.