Finding the Fourth Proportional to 210,757,363.84, 290,848,605.46 and 115,386,281.52
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Solution
The fourth proportional to 210,757,363.84, 290,848,605.46 and 115,386,281.52 is: 159,234,953.68
Step by Step Solution
- Step 1: Write the proportion equation
210,757,363.84 : 290,848,605.46 = 115,386,281.52 : x - Step 2: Convert to fraction form
210,757,363.84/290,848,605.46 = 115,386,281.52/x - Step 3: Cross multiply
210,757,363.84x = 290,848,605.46 × 115,386,281.52 - Step 4: Simplify right side
210,757,363.84x = 33,559,939,069,306,964 - Step 5: Solve for x
x = 33,559,939,069,306,964/210,757,363.84 - Step 6: Final answer
x = 159,234,953.68
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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.