Home / 151,165,583.36-208,615,341.64-85,108,779.26

Finding the Fourth Proportional to 151,165,583.36, 208,615,341.64 and 85,108,779.26

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Solution

The fourth proportional to 151,165,583.36, 208,615,341.64 and 85,108,779.26 is: 117,453,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,165,583.36 : 208,615,341.64 = 85,108,779.26 : x
  2. Step 2: Convert to fraction form
    151,165,583.36/208,615,341.64 = 85,108,779.26/x
  3. Step 3: Cross multiply
    151,165,583.36x = 208,615,341.64 × 85,108,779.26
  4. Step 4: Simplify right side
    151,165,583.36x = 17,754,997,061,888,246
  5. Step 5: Solve for x
    x = 17,754,997,061,888,246/151,165,583.36
  6. Step 6: Final answer
    x = 117,453,964.50

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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.