Home / 152,736,505.71-210,776,923.76-83,122,721.07

Finding the Fourth Proportional to 152,736,505.71, 210,776,923.76 and 83,122,721.07

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Solution

The fourth proportional to 152,736,505.71, 210,776,923.76 and 83,122,721.07 is: 114,709,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,736,505.71 : 210,776,923.76 = 83,122,721.07 : x
  2. Step 2: Convert to fraction form
    152,736,505.71/210,776,923.76 = 83,122,721.07/x
  3. Step 3: Cross multiply
    152,736,505.71x = 210,776,923.76 × 83,122,721.07
  4. Step 4: Simplify right side
    152,736,505.71x = 17,520,351,441,279,520
  5. Step 5: Solve for x
    x = 17,520,351,441,279,520/152,736,505.71
  6. Step 6: Final answer
    x = 114,709,652.15

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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.