Finding the Fourth Proportional to 238,699,207.08, 358,108,399.53 and 83,255,248.76
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Solution
The fourth proportional to 238,699,207.08, 358,108,399.53 and 83,255,248.76 is: 124,903,656.99
Step by Step Solution
- Step 1: Write the proportion equation
238,699,207.08 : 358,108,399.53 = 83,255,248.76 : x - Step 2: Convert to fraction form
238,699,207.08/358,108,399.53 = 83,255,248.76/x - Step 3: Cross multiply
238,699,207.08x = 358,108,399.53 × 83,255,248.76 - Step 4: Simplify right side
238,699,207.08x = 29,814,403,884,125,072 - Step 5: Solve for x
x = 29,814,403,884,125,072/238,699,207.08 - Step 6: Final answer
x = 124,903,656.99
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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.