Home / 152,710,628.28-210,738,895.56-83,094,809.76

Finding the Fourth Proportional to 152,710,628.28, 210,738,895.56 and 83,094,809.76

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Solution

The fourth proportional to 152,710,628.28, 210,738,895.56 and 83,094,809.76 is: 114,669,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710,628.28 : 210,738,895.56 = 83,094,809.76 : x
  2. Step 2: Convert to fraction form
    152,710,628.28/210,738,895.56 = 83,094,809.76/x
  3. Step 3: Cross multiply
    152,710,628.28x = 210,738,895.56 × 83,094,809.76
  4. Step 4: Simplify right side
    152,710,628.28x = 17,511,308,435,590,710
  5. Step 5: Solve for x
    x = 17,511,308,435,590,710/152,710,628.28
  6. Step 6: Final answer
    x = 114,669,873.56

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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.