Home / 120,062,580.34-165,668,038.29-67,832,558.86

Finding the Fourth Proportional to 120,062,580.34, 165,668,038.29 and 67,832,558.86

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Solution

The fourth proportional to 120,062,580.34, 165,668,038.29 and 67,832,558.86 is: 93,598,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,062,580.34 : 165,668,038.29 = 67,832,558.86 : x
  2. Step 2: Convert to fraction form
    120,062,580.34/165,668,038.29 = 67,832,558.86/x
  3. Step 3: Cross multiply
    120,062,580.34x = 165,668,038.29 × 67,832,558.86
  4. Step 4: Simplify right side
    120,062,580.34x = 11,237,686,958,527,158
  5. Step 5: Solve for x
    x = 11,237,686,958,527,158/120,062,580.34
  6. Step 6: Final answer
    x = 93,598,579.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.