Home / 152,989,960.60-211,119,988.98-83,373,838.30

Finding the Fourth Proportional to 152,989,960.60, 211,119,988.98 and 83,373,838.30

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Solution

The fourth proportional to 152,989,960.60, 211,119,988.98 and 83,373,838.30 is: 115,052,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,989,960.60 : 211,119,988.98 = 83,373,838.30 : x
  2. Step 2: Convert to fraction form
    152,989,960.60/211,119,988.98 = 83,373,838.30/x
  3. Step 3: Cross multiply
    152,989,960.60x = 211,119,988.98 × 83,373,838.30
  4. Step 4: Simplify right side
    152,989,960.60x = 17,601,883,823,116,300
  5. Step 5: Solve for x
    x = 17,601,883,823,116,300/152,989,960.60
  6. Step 6: Final answer
    x = 115,052,541.71

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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.