Finding the Fourth Proportional to 210,256,637.28, 290,151,102.96 and 117,438,465.12
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Solution
The fourth proportional to 210,256,637.28, 290,151,102.96 and 117,438,465.12 is: 162,063,374.67
Step by Step Solution
- Step 1: Write the proportion equation
210,256,637.28 : 290,151,102.96 = 117,438,465.12 : x - Step 2: Convert to fraction form
210,256,637.28/290,151,102.96 = 117,438,465.12/x - Step 3: Cross multiply
210,256,637.28x = 290,151,102.96 × 117,438,465.12 - Step 4: Simplify right side
210,256,637.28x = 34,074,900,184,497,488 - Step 5: Solve for x
x = 34,074,900,184,497,488/210,256,637.28 - Step 6: Final answer
x = 162,063,374.67
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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.