Finding the Fourth Proportional to 155,559,628.70, 233,283,455.85 and 78,857,164.70
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Solution
The fourth proportional to 155,559,628.70, 233,283,455.85 and 78,857,164.70 is: 118,257,365.70
Step by Step Solution
- Step 1: Write the proportion equation
155,559,628.70 : 233,283,455.85 = 78,857,164.70 : x - Step 2: Convert to fraction form
155,559,628.70/233,283,455.85 = 78,857,164.70/x - Step 3: Cross multiply
155,559,628.70x = 233,283,455.85 × 78,857,164.70 - Step 4: Simplify right side
155,559,628.70x = 18,396,071,899,748,628 - Step 5: Solve for x
x = 18,396,071,899,748,628/155,559,628.70 - Step 6: Final answer
x = 118,257,365.70
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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.