Home / 108,249,195.72-149,387,040.75-61,205,258.63

Finding the Fourth Proportional to 108,249,195.72, 149,387,040.75 and 61,205,258.63

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Solution

The fourth proportional to 108,249,195.72, 149,387,040.75 and 61,205,258.63 is: 84,465,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,249,195.72 : 149,387,040.75 = 61,205,258.63 : x
  2. Step 2: Convert to fraction form
    108,249,195.72/149,387,040.75 = 61,205,258.63/x
  3. Step 3: Cross multiply
    108,249,195.72x = 149,387,040.75 × 61,205,258.63
  4. Step 4: Simplify right side
    108,249,195.72x = 9,143,272,464,887,364
  5. Step 5: Solve for x
    x = 9,143,272,464,887,364/108,249,195.72
  6. Step 6: Final answer
    x = 84,465,038.33

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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.