Home / 152,254,071.57-210,104,992.63-82,637,957.78

Finding the Fourth Proportional to 152,254,071.57, 210,104,992.63 and 82,637,957.78

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Solution

The fourth proportional to 152,254,071.57, 210,104,992.63 and 82,637,957.78 is: 114,037,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,254,071.57 : 210,104,992.63 = 82,637,957.78 : x
  2. Step 2: Convert to fraction form
    152,254,071.57/210,104,992.63 = 82,637,957.78/x
  3. Step 3: Cross multiply
    152,254,071.57x = 210,104,992.63 × 82,637,957.78
  4. Step 4: Simplify right side
    152,254,071.57x = 17,362,647,510,325,152
  5. Step 5: Solve for x
    x = 17,362,647,510,325,152/152,254,071.57
  6. Step 6: Final answer
    x = 114,037,328.07

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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.