Finding the Fourth Proportional to 316,811,087.34, 475,217,010.09 and 86,782,155.18
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Solution
The fourth proportional to 316,811,087.34, 475,217,010.09 and 86,782,155.18 is: 130,173,336.61
Step by Step Solution
- Step 1: Write the proportion equation
316,811,087.34 : 475,217,010.09 = 86,782,155.18 : x - Step 2: Convert to fraction form
316,811,087.34/475,217,010.09 = 86,782,155.18/x - Step 3: Cross multiply
316,811,087.34x = 475,217,010.09 × 86,782,155.18 - Step 4: Simplify right side
316,811,087.34x = 41,240,356,313,806,008 - Step 5: Solve for x
x = 41,240,356,313,806,008/316,811,087.34 - Step 6: Final answer
x = 130,173,336.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.