Home / 82,675,811.70-124,013,717.55-64,740,246.90

Finding the Fourth Proportional to 82,675,811.70, 124,013,717.55 and 64,740,246.90

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Solution

The fourth proportional to 82,675,811.70, 124,013,717.55 and 64,740,246.90 is: 97,110,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675,811.70 : 124,013,717.55 = 64,740,246.90 : x
  2. Step 2: Convert to fraction form
    82,675,811.70/124,013,717.55 = 64,740,246.90/x
  3. Step 3: Cross multiply
    82,675,811.70x = 124,013,717.55 × 64,740,246.90
  4. Step 4: Simplify right side
    82,675,811.70x = 8,028,678,693,173,863
  5. Step 5: Solve for x
    x = 8,028,678,693,173,863/82,675,811.70
  6. Step 6: Final answer
    x = 97,110,370.35

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1.5x scale

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.