Finding the Fourth Proportional to 84,309,595.98, 116,311,615.71 and 56,441,284.93
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Solution
The fourth proportional to 84,309,595.98, 116,311,615.71 and 56,441,284.93 is: 77,865,122.79
Step by Step Solution
- Step 1: Write the proportion equation
84,309,595.98 : 116,311,615.71 = 56,441,284.93 : x - Step 2: Convert to fraction form
84,309,595.98/116,311,615.71 = 56,441,284.93/x - Step 3: Cross multiply
84,309,595.98x = 116,311,615.71 × 56,441,284.93 - Step 4: Simplify right side
84,309,595.98x = 6,564,777,042,956,774 - Step 5: Solve for x
x = 6,564,777,042,956,774/84,309,595.98 - Step 6: Final answer
x = 77,865,122.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.