Home / 66,407,701.56-99,407,248.14-43,328,941.98

Finding the Fourth Proportional to 66,407,701.56, 99,407,248.14 and 43,328,941.98

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Solution

The fourth proportional to 66,407,701.56, 99,407,248.14 and 43,328,941.98 is: 64,860,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,407,701.56 : 99,407,248.14 = 43,328,941.98 : x
  2. Step 2: Convert to fraction form
    66,407,701.56/99,407,248.14 = 43,328,941.98/x
  3. Step 3: Cross multiply
    66,407,701.56x = 99,407,248.14 × 43,328,941.98
  4. Step 4: Simplify right side
    66,407,701.56x = 4,307,210,887,049,522.50
  5. Step 5: Solve for x
    x = 4,307,210,887,049,522.50/66,407,701.56
  6. Step 6: Final answer
    x = 64,860,110.89

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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.