Home / 151,166,695.29-208,616,655.83-85,091,457.21

Finding the Fourth Proportional to 151,166,695.29, 208,616,655.83 and 85,091,457.21

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Solution

The fourth proportional to 151,166,695.29, 208,616,655.83 and 85,091,457.21 is: 117,429,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,166,695.29 : 208,616,655.83 = 85,091,457.21 : x
  2. Step 2: Convert to fraction form
    151,166,695.29/208,616,655.83 = 85,091,457.21/x
  3. Step 3: Cross multiply
    151,166,695.29x = 208,616,655.83 × 85,091,457.21
  4. Step 4: Simplify right side
    151,166,695.29x = 17,751,495,242,851,742
  5. Step 5: Solve for x
    x = 17,751,495,242,851,742/151,166,695.29
  6. Step 6: Final answer
    x = 117,429,935.27

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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.