Finding the Fourth Proportional to 159,243,525.78, 219,642,864.87 and 106,293,536.88
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Solution
The fourth proportional to 159,243,525.78, 219,642,864.87 and 106,293,536.88 is: 146,609,520.50
Step by Step Solution
- Step 1: Write the proportion equation
159,243,525.78 : 219,642,864.87 = 106,293,536.88 : x - Step 2: Convert to fraction form
159,243,525.78/219,642,864.87 = 106,293,536.88/x - Step 3: Cross multiply
159,243,525.78x = 219,642,864.87 × 106,293,536.88 - Step 4: Simplify right side
159,243,525.78x = 23,346,616,957,488,200 - Step 5: Solve for x
x = 23,346,616,957,488,200/159,243,525.78 - Step 6: Final answer
x = 146,609,520.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.