Home / 66,943,900.81-100,370,009.04-34,090,875.58

Finding the Fourth Proportional to 66,943,900.81, 100,370,009.04 and 34,090,875.58

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Solution

The fourth proportional to 66,943,900.81, 100,370,009.04 and 34,090,875.58 is: 51,112,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943,900.81 : 100,370,009.04 = 34,090,875.58 : x
  2. Step 2: Convert to fraction form
    66,943,900.81/100,370,009.04 = 34,090,875.58/x
  3. Step 3: Cross multiply
    66,943,900.81x = 100,370,009.04 × 34,090,875.58
  4. Step 4: Simplify right side
    66,943,900.81x = 3,421,701,490,146,115.50
  5. Step 5: Solve for x
    x = 3,421,701,490,146,115.50/66,943,900.81
  6. Step 6: Final answer
    x = 51,112,968.45

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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.