Finding the Fourth Proportional to 90,387,322.26, 124,748,132.16 and 55,125,595.09
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Solution
The fourth proportional to 90,387,322.26, 124,748,132.16 and 55,125,595.09 is: 76,081,632.35
Step by Step Solution
- Step 1: Write the proportion equation
90,387,322.26 : 124,748,132.16 = 55,125,595.09 : x - Step 2: Convert to fraction form
90,387,322.26/124,748,132.16 = 55,125,595.09/x - Step 3: Cross multiply
90,387,322.26x = 124,748,132.16 × 55,125,595.09 - Step 4: Simplify right side
90,387,322.26x = 6,876,815,021,685,967 - Step 5: Solve for x
x = 6,876,815,021,685,967/90,387,322.26 - Step 6: Final answer
x = 76,081,632.35
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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.