Finding the Fourth Proportional to 219,674,583.90, 303,130,888.56 and 130,351,134.06
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Solution
The fourth proportional to 219,674,583.90, 303,130,888.56 and 130,351,134.06 is: 179,872,675.26
Step by Step Solution
- Step 1: Write the proportion equation
219,674,583.90 : 303,130,888.56 = 130,351,134.06 : x - Step 2: Convert to fraction form
219,674,583.90/303,130,888.56 = 130,351,134.06/x - Step 3: Cross multiply
219,674,583.90x = 303,130,888.56 × 130,351,134.06 - Step 4: Simplify right side
219,674,583.90x = 39,513,455,092,411,480 - Step 5: Solve for x
x = 39,513,455,092,411,480/219,674,583.90 - Step 6: Final answer
x = 179,872,675.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.