Home / 86,908,554.60-130,462,364.70-51,026,980.20

Finding the Fourth Proportional to 86,908,554.60, 130,462,364.70 and 51,026,980.20

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Solution

The fourth proportional to 86,908,554.60, 130,462,364.70 and 51,026,980.20 is: 76,598,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908,554.60 : 130,462,364.70 = 51,026,980.20 : x
  2. Step 2: Convert to fraction form
    86,908,554.60/130,462,364.70 = 51,026,980.20/x
  3. Step 3: Cross multiply
    86,908,554.60x = 130,462,364.70 × 51,026,980.20
  4. Step 4: Simplify right side
    86,908,554.60x = 6,657,100,500,392,079
  5. Step 5: Solve for x
    x = 6,657,100,500,392,079/86,908,554.60
  6. Step 6: Final answer
    x = 76,598,909.41

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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.