Home / 257,733,496.51-355,683,937.43-151,891,378.90

Finding the Fourth Proportional to 257,733,496.51, 355,683,937.43 and 151,891,378.90

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Solution

The fourth proportional to 257,733,496.51, 355,683,937.43 and 151,891,378.90 is: 209,617,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,733,496.51 : 355,683,937.43 = 151,891,378.90 : x
  2. Step 2: Convert to fraction form
    257,733,496.51/355,683,937.43 = 151,891,378.90/x
  3. Step 3: Cross multiply
    257,733,496.51x = 355,683,937.43 × 151,891,378.90
  4. Step 4: Simplify right side
    257,733,496.51x = 54,025,323,706,286,152
  5. Step 5: Solve for x
    x = 54,025,323,706,286,152/257,733,496.51
  6. Step 6: Final answer
    x = 209,617,005.31

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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.