Home / 115,338,478.60-159,149,979.06-70,051,657.48

Finding the Fourth Proportional to 115,338,478.60, 159,149,979.06 and 70,051,657.48

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Solution

The fourth proportional to 115,338,478.60, 159,149,979.06 and 70,051,657.48 is: 96,660,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,338,478.60 : 159,149,979.06 = 70,051,657.48 : x
  2. Step 2: Convert to fraction form
    115,338,478.60/159,149,979.06 = 70,051,657.48/x
  3. Step 3: Cross multiply
    115,338,478.60x = 159,149,979.06 × 70,051,657.48
  4. Step 4: Simplify right side
    115,338,478.60x = 11,148,719,821,060,294
  5. Step 5: Solve for x
    x = 11,148,719,821,060,294/115,338,478.60
  6. Step 6: Final answer
    x = 96,660,888.51

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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.