Finding the Fourth Proportional to 97,621,275.48, 134,716,987.35 and 53,569,010.76
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Solution
The fourth proportional to 97,621,275.48, 134,716,987.35 and 53,569,010.76 is: 73,925,030.27
Step by Step Solution
- Step 1: Write the proportion equation
97,621,275.48 : 134,716,987.35 = 53,569,010.76 : x - Step 2: Convert to fraction form
97,621,275.48/134,716,987.35 = 53,569,010.76/x - Step 3: Cross multiply
97,621,275.48x = 134,716,987.35 × 53,569,010.76 - Step 4: Simplify right side
97,621,275.48x = 7,216,655,744,906,933 - Step 5: Solve for x
x = 7,216,655,744,906,933/97,621,275.48 - Step 6: Final answer
x = 73,925,030.27
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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.