Home / 82,742,613.58-124,070,831-30,884,576.21

Finding the Fourth Proportional to 82,742,613.58, 124,070,831 and 30,884,576.21

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Solution

The fourth proportional to 82,742,613.58, 124,070,831 and 30,884,576.21 is: 46,310,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,742,613.58 : 124,070,831 = 30,884,576.21 : x
  2. Step 2: Convert to fraction form
    82,742,613.58/124,070,831 = 30,884,576.21/x
  3. Step 3: Cross multiply
    82,742,613.58x = 124,070,831 × 30,884,576.21
  4. Step 4: Simplify right side
    82,742,613.58x = 3,831,875,035,457,530.50
  5. Step 5: Solve for x
    x = 3,831,875,035,457,530.50/82,742,613.58
  6. Step 6: Final answer
    x = 46,310,780.74

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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.