Home / 66,445,415.55-99,668,123.33-30,543,623.55

Finding the Fourth Proportional to 66,445,415.55, 99,668,123.33 and 30,543,623.55

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Solution

The fourth proportional to 66,445,415.55, 99,668,123.33 and 30,543,623.55 is: 45,815,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,415.55 : 99,668,123.33 = 30,543,623.55 : x
  2. Step 2: Convert to fraction form
    66,445,415.55/99,668,123.33 = 30,543,623.55/x
  3. Step 3: Cross multiply
    66,445,415.55x = 99,668,123.33 × 30,543,623.55
  4. Step 4: Simplify right side
    66,445,415.55x = 3,044,225,638,773,774.50
  5. Step 5: Solve for x
    x = 3,044,225,638,773,774.50/66,445,415.55
  6. Step 6: Final answer
    x = 45,815,435.33

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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.