Home / 86,916,547.20-130,392,316.80-25,505,587.20

Finding the Fourth Proportional to 86,916,547.20, 130,392,316.80 and 25,505,587.20

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Solution

The fourth proportional to 86,916,547.20, 130,392,316.80 and 25,505,587.20 is: 38,263,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916,547.20 : 130,392,316.80 = 25,505,587.20 : x
  2. Step 2: Convert to fraction form
    86,916,547.20/130,392,316.80 = 25,505,587.20/x
  3. Step 3: Cross multiply
    86,916,547.20x = 130,392,316.80 × 25,505,587.20
  4. Step 4: Simplify right side
    86,916,547.20x = 3,325,732,606,352,425
  5. Step 5: Solve for x
    x = 3,325,732,606,352,425/86,916,547.20
  6. Step 6: Final answer
    x = 38,263,514.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.