Home / 74,488,827.60-111,733,241.40-20,636,139.60

Finding the Fourth Proportional to 74,488,827.60, 111,733,241.40 and 20,636,139.60

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Solution

The fourth proportional to 74,488,827.60, 111,733,241.40 and 20,636,139.60 is: 30,954,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,488,827.60 : 111,733,241.40 = 20,636,139.60 : x
  2. Step 2: Convert to fraction form
    74,488,827.60/111,733,241.40 = 20,636,139.60/x
  3. Step 3: Cross multiply
    74,488,827.60x = 111,733,241.40 × 20,636,139.60
  4. Step 4: Simplify right side
    74,488,827.60x = 2,305,742,767,490,899.50
  5. Step 5: Solve for x
    x = 2,305,742,767,490,899.50/74,488,827.60
  6. Step 6: Final answer
    x = 30,954,209.40

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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.