Home / 83,390,032.92-115,085,139.93-46,231,973.40

Finding the Fourth Proportional to 83,390,032.92, 115,085,139.93 and 46,231,973.40

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Solution

The fourth proportional to 83,390,032.92, 115,085,139.93 and 46,231,973.40 is: 63,803,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,390,032.92 : 115,085,139.93 = 46,231,973.40 : x
  2. Step 2: Convert to fraction form
    83,390,032.92/115,085,139.93 = 46,231,973.40/x
  3. Step 3: Cross multiply
    83,390,032.92x = 115,085,139.93 × 46,231,973.40
  4. Step 4: Simplify right side
    83,390,032.92x = 5,320,613,127,979,038
  5. Step 5: Solve for x
    x = 5,320,613,127,979,038/83,390,032.92
  6. Step 6: Final answer
    x = 63,803,945.65

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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.