Home / 207,676,024.07-286,681,160.66-129,398,252.36

Finding the Fourth Proportional to 207,676,024.07, 286,681,160.66 and 129,398,252.36

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Solution

The fourth proportional to 207,676,024.07, 286,681,160.66 and 129,398,252.36 is: 178,624,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,676,024.07 : 286,681,160.66 = 129,398,252.36 : x
  2. Step 2: Convert to fraction form
    207,676,024.07/286,681,160.66 = 129,398,252.36/x
  3. Step 3: Cross multiply
    207,676,024.07x = 286,681,160.66 × 129,398,252.36
  4. Step 4: Simplify right side
    207,676,024.07x = 37,096,041,171,859,984
  5. Step 5: Solve for x
    x = 37,096,041,171,859,984/207,676,024.07
  6. Step 6: Final answer
    x = 178,624,573.25

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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.