Finding the Fourth Proportional to 258,833,509.63, 357,199,058.12 and 153,077,580.88
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Solution
The fourth proportional to 258,833,509.63, 357,199,058.12 and 153,077,580.88 is: 211,252,274.82
Step by Step Solution
- Step 1: Write the proportion equation
258,833,509.63 : 357,199,058.12 = 153,077,580.88 : x - Step 2: Convert to fraction form
258,833,509.63/357,199,058.12 = 153,077,580.88/x - Step 3: Cross multiply
258,833,509.63x = 357,199,058.12 × 153,077,580.88 - Step 4: Simplify right side
258,833,509.63x = 54,679,167,707,965,736 - Step 5: Solve for x
x = 54,679,167,707,965,736/258,833,509.63 - Step 6: Final answer
x = 211,252,274.82
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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.