Home / 86,991,698.20-130,487,547.30-30,258,002.20

Finding the Fourth Proportional to 86,991,698.20, 130,487,547.30 and 30,258,002.20

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Solution

The fourth proportional to 86,991,698.20, 130,487,547.30 and 30,258,002.20 is: 45,387,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,991,698.20 : 130,487,547.30 = 30,258,002.20 : x
  2. Step 2: Convert to fraction form
    86,991,698.20/130,487,547.30 = 30,258,002.20/x
  3. Step 3: Cross multiply
    86,991,698.20x = 130,487,547.30 × 30,258,002.20
  4. Step 4: Simplify right side
    86,991,698.20x = 3,948,292,493,276,004
  5. Step 5: Solve for x
    x = 3,948,292,493,276,004/86,991,698.20
  6. Step 6: Final answer
    x = 45,387,003.30

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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.