Home / 134,428,781.40-201,643,172.10-127,710,317.40

Finding the Fourth Proportional to 134,428,781.40, 201,643,172.10 and 127,710,317.40

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Solution

The fourth proportional to 134,428,781.40, 201,643,172.10 and 127,710,317.40 is: 191,565,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428,781.40 : 201,643,172.10 = 127,710,317.40 : x
  2. Step 2: Convert to fraction form
    134,428,781.40/201,643,172.10 = 127,710,317.40/x
  3. Step 3: Cross multiply
    134,428,781.40x = 201,643,172.10 × 127,710,317.40
  4. Step 4: Simplify right side
    134,428,781.40x = 25,751,913,510,433,824
  5. Step 5: Solve for x
    x = 25,751,913,510,433,824/134,428,781.40
  6. Step 6: Final answer
    x = 191,565,476.10

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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.