Home / 140,020,100.74-193,222,674.75-77,294,852.43

Finding the Fourth Proportional to 140,020,100.74, 193,222,674.75 and 77,294,852.43

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Solution

The fourth proportional to 140,020,100.74, 193,222,674.75 and 77,294,852.43 is: 106,664,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,100.74 : 193,222,674.75 = 77,294,852.43 : x
  2. Step 2: Convert to fraction form
    140,020,100.74/193,222,674.75 = 77,294,852.43/x
  3. Step 3: Cross multiply
    140,020,100.74x = 193,222,674.75 × 77,294,852.43
  4. Step 4: Simplify right side
    140,020,100.74x = 14,935,118,130,931,138
  5. Step 5: Solve for x
    x = 14,935,118,130,931,138/140,020,100.74
  6. Step 6: Final answer
    x = 106,664,100.74

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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.