Finding the Fourth Proportional to 211,552,087.12, 291,941,878.86 and 118,732,594.96
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Solution
The fourth proportional to 211,552,087.12, 291,941,878.86 and 118,732,594.96 is: 163,850,980.28
Step by Step Solution
- Step 1: Write the proportion equation
211,552,087.12 : 291,941,878.86 = 118,732,594.96 : x - Step 2: Convert to fraction form
211,552,087.12/291,941,878.86 = 118,732,594.96/x - Step 3: Cross multiply
211,552,087.12x = 291,941,878.86 × 118,732,594.96 - Step 4: Simplify right side
211,552,087.12x = 34,663,016,854,545,768 - Step 5: Solve for x
x = 34,663,016,854,545,768/211,552,087.12 - Step 6: Final answer
x = 163,850,980.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.