Home / 191,144,966.40-286,778,160.72-80,539,103.52

Finding the Fourth Proportional to 191,144,966.40, 286,778,160.72 and 80,539,103.52

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Solution

The fourth proportional to 191,144,966.40, 286,778,160.72 and 80,539,103.52 is: 120,834,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,144,966.40 : 286,778,160.72 = 80,539,103.52 : x
  2. Step 2: Convert to fraction form
    191,144,966.40/286,778,160.72 = 80,539,103.52/x
  3. Step 3: Cross multiply
    191,144,966.40x = 286,778,160.72 × 80,539,103.52
  4. Step 4: Simplify right side
    191,144,966.40x = 23,096,855,973,503,280
  5. Step 5: Solve for x
    x = 23,096,855,973,503,280/191,144,966.40
  6. Step 6: Final answer
    x = 120,834,235.97

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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.