Home / 152,054,496.48-210,008,405.68-103,076,893.92

Finding the Fourth Proportional to 152,054,496.48, 210,008,405.68 and 103,076,893.92

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Solution

The fourth proportional to 152,054,496.48, 210,008,405.68 and 103,076,893.92 is: 142,363,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,054,496.48 : 210,008,405.68 = 103,076,893.92 : x
  2. Step 2: Convert to fraction form
    152,054,496.48/210,008,405.68 = 103,076,893.92/x
  3. Step 3: Cross multiply
    152,054,496.48x = 210,008,405.68 × 103,076,893.92
  4. Step 4: Simplify right side
    152,054,496.48x = 21,647,014,154,585,688
  5. Step 5: Solve for x
    x = 21,647,014,154,585,688/152,054,496.48
  6. Step 6: Final answer
    x = 142,363,525.29

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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.