Finding the Fourth Proportional to 307,658,746.55, 461,489,303.11 and 74,489,070.08
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Solution
The fourth proportional to 307,658,746.55, 461,489,303.11 and 74,489,070.08 is: 111,733,891.61
Step by Step Solution
- Step 1: Write the proportion equation
307,658,746.55 : 461,489,303.11 = 74,489,070.08 : x - Step 2: Convert to fraction form
307,658,746.55/461,489,303.11 = 74,489,070.08/x - Step 3: Cross multiply
307,658,746.55x = 461,489,303.11 × 74,489,070.08 - Step 4: Simplify right side
307,658,746.55x = 34,375,909,040,531,152 - Step 5: Solve for x
x = 34,375,909,040,531,152/307,658,746.55 - Step 6: Final answer
x = 111,733,891.61
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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.