Home / 73,440,045.40-110,160,068.10-66,133,715.80

Finding the Fourth Proportional to 73,440,045.40, 110,160,068.10 and 66,133,715.80

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Solution

The fourth proportional to 73,440,045.40, 110,160,068.10 and 66,133,715.80 is: 99,200,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,440,045.40 : 110,160,068.10 = 66,133,715.80 : x
  2. Step 2: Convert to fraction form
    73,440,045.40/110,160,068.10 = 66,133,715.80/x
  3. Step 3: Cross multiply
    73,440,045.40x = 110,160,068.10 × 66,133,715.80
  4. Step 4: Simplify right side
    73,440,045.40x = 7,285,294,636,234,045
  5. Step 5: Solve for x
    x = 7,285,294,636,234,045/73,440,045.40
  6. Step 6: Final answer
    x = 99,200,573.70

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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.