Home / 68,333,648.40-102,724,421.40-48,277,789.20

Finding the Fourth Proportional to 68,333,648.40, 102,724,421.40 and 48,277,789.20

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Solution

The fourth proportional to 68,333,648.40, 102,724,421.40 and 48,277,789.20 is: 72,574,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,333,648.40 : 102,724,421.40 = 48,277,789.20 : x
  2. Step 2: Convert to fraction form
    68,333,648.40/102,724,421.40 = 48,277,789.20/x
  3. Step 3: Cross multiply
    68,333,648.40x = 102,724,421.40 × 48,277,789.20
  4. Step 4: Simplify right side
    68,333,648.40x = 4,959,307,962,041,169
  5. Step 5: Solve for x
    x = 4,959,307,962,041,169/68,333,648.40
  6. Step 6: Final answer
    x = 72,574,903.85

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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.