Home / 127,683,727.70-191,370,471.95-69,252,848.46

Finding the Fourth Proportional to 127,683,727.70, 191,370,471.95 and 69,252,848.46

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Solution

The fourth proportional to 127,683,727.70, 191,370,471.95 and 69,252,848.46 is: 103,795,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683,727.70 : 191,370,471.95 = 69,252,848.46 : x
  2. Step 2: Convert to fraction form
    127,683,727.70/191,370,471.95 = 69,252,848.46/x
  3. Step 3: Cross multiply
    127,683,727.70x = 191,370,471.95 × 69,252,848.46
  4. Step 4: Simplify right side
    127,683,727.70x = 13,252,950,293,845,160
  5. Step 5: Solve for x
    x = 13,252,950,293,845,160/127,683,727.70
  6. Step 6: Final answer
    x = 103,795,139.23

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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.