Finding the Fourth Proportional to 84,309,603.14, 116,311,625.61 and 56,441,292.08
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Solution
The fourth proportional to 84,309,603.14, 116,311,625.61 and 56,441,292.08 is: 77,865,132.66
Step by Step Solution
- Step 1: Write the proportion equation
84,309,603.14 : 116,311,625.61 = 56,441,292.08 : x - Step 2: Convert to fraction form
84,309,603.14/116,311,625.61 = 56,441,292.08/x - Step 3: Cross multiply
84,309,603.14x = 116,311,625.61 × 56,441,292.08 - Step 4: Simplify right side
84,309,603.14x = 6,564,778,433,353,618 - Step 5: Solve for x
x = 6,564,778,433,353,618/84,309,603.14 - Step 6: Final answer
x = 77,865,132.66
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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.