Home / 191,180,478,999.71-286,629,343,638.03-115,616,830,588.34

Finding the Fourth Proportional to 191,180,478,999.71, 286,629,343,638.03 and 115,616,830,588.34

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Solution

The fourth proportional to 191,180,478,999.71, 286,629,343,638.03 and 115,616,830,588.34 is: 173,339,749,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,180,478,999.71 : 286,629,343,638.03 = 115,616,830,588.34 : x
  2. Step 2: Convert to fraction form
    191,180,478,999.71/286,629,343,638.03 = 115,616,830,588.34/x
  3. Step 3: Cross multiply
    191,180,478,999.71x = 286,629,343,638.03 × 115,616,830,588.34
  4. Step 4: Simplify right side
    191,180,478,999.71x = 33,139,176,265,045,206,106,112
  5. Step 5: Solve for x
    x = 33,139,176,265,045,206,106,112/191,180,478,999.71
  6. Step 6: Final answer
    x = 173,339,749,112.65

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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.