Finding the Fourth Proportional to 79,153,853.31, 118,865,586.65 and 51,534,784.35
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Solution
The fourth proportional to 79,153,853.31, 118,865,586.65 and 51,534,784.35 is: 77,389,945.26
Step by Step Solution
- Step 1: Write the proportion equation
79,153,853.31 : 118,865,586.65 = 51,534,784.35 : x - Step 2: Convert to fraction form
79,153,853.31/118,865,586.65 = 51,534,784.35/x - Step 3: Cross multiply
79,153,853.31x = 118,865,586.65 × 51,534,784.35 - Step 4: Simplify right side
79,153,853.31x = 6,125,712,374,386,315 - Step 5: Solve for x
x = 6,125,712,374,386,315/79,153,853.31 - Step 6: Final answer
x = 77,389,945.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.