Finding the Fourth Proportional to 201,552,909.36, 278,125,282.70 and 112,238,104.52
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Solution
The fourth proportional to 201,552,909.36, 278,125,282.70 and 112,238,104.52 is: 154,878,709.76
Step by Step Solution
- Step 1: Write the proportion equation
201,552,909.36 : 278,125,282.70 = 112,238,104.52 : x - Step 2: Convert to fraction form
201,552,909.36/278,125,282.70 = 112,238,104.52/x - Step 3: Cross multiply
201,552,909.36x = 278,125,282.70 × 112,238,104.52 - Step 4: Simplify right side
201,552,909.36x = 31,216,254,549,337,144 - Step 5: Solve for x
x = 31,216,254,549,337,144/201,552,909.36 - Step 6: Final answer
x = 154,878,709.76
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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.