Finding the Fourth Proportional to 154,483,108.74, 213,186,776.16 and 84,872,973.66
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Solution
The fourth proportional to 154,483,108.74, 213,186,776.16 and 84,872,973.66 is: 117,124,750.95
Step by Step Solution
- Step 1: Write the proportion equation
154,483,108.74 : 213,186,776.16 = 84,872,973.66 : x - Step 2: Convert to fraction form
154,483,108.74/213,186,776.16 = 84,872,973.66/x - Step 3: Cross multiply
154,483,108.74x = 213,186,776.16 × 84,872,973.66 - Step 4: Simplify right side
154,483,108.74x = 18,093,795,637,206,820 - Step 5: Solve for x
x = 18,093,795,637,206,820/154,483,108.74 - Step 6: Final answer
x = 117,124,750.95
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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.