Home / 210,367,640.40-315,402,161.40-95,407,256.40

Finding the Fourth Proportional to 210,367,640.40, 315,402,161.40 and 95,407,256.40

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Solution

The fourth proportional to 210,367,640.40, 315,402,161.40 and 95,407,256.40 is: 143,043,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,367,640.40 : 315,402,161.40 = 95,407,256.40 : x
  2. Step 2: Convert to fraction form
    210,367,640.40/315,402,161.40 = 95,407,256.40/x
  3. Step 3: Cross multiply
    210,367,640.40x = 315,402,161.40 × 95,407,256.40
  4. Step 4: Simplify right side
    210,367,640.40x = 30,091,654,881,803,984
  5. Step 5: Solve for x
    x = 30,091,654,881,803,984/210,367,640.40
  6. Step 6: Final answer
    x = 143,043,173.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.