Finding the Fourth Proportional to 157,963,690.13, 236,977,852.25 and 54,319,434.77
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Solution
The fourth proportional to 157,963,690.13, 236,977,852.25 and 54,319,434.77 is: 81,490,265.12
Step by Step Solution
- Step 1: Write the proportion equation
157,963,690.13 : 236,977,852.25 = 54,319,434.77 : x - Step 2: Convert to fraction form
157,963,690.13/236,977,852.25 = 54,319,434.77/x - Step 3: Cross multiply
157,963,690.13x = 236,977,852.25 × 54,319,434.77 - Step 4: Simplify right side
157,963,690.13x = 12,872,502,986,995,978 - Step 5: Solve for x
x = 12,872,502,986,995,978/157,963,690.13 - Step 6: Final answer
x = 81,490,265.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.