Finding the Fourth Proportional to 97,112,323.68, 134,013,421.44 and 53,058,374.40
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Solution
The fourth proportional to 97,112,323.68, 134,013,421.44 and 53,058,374.40 is: 73,219,690.56
Step by Step Solution
- Step 1: Write the proportion equation
97,112,323.68 : 134,013,421.44 = 53,058,374.40 : x - Step 2: Convert to fraction form
97,112,323.68/134,013,421.44 = 53,058,374.40/x - Step 3: Cross multiply
97,112,323.68x = 134,013,421.44 × 53,058,374.40 - Step 4: Simplify right side
97,112,323.68x = 7,110,534,289,388,507 - Step 5: Solve for x
x = 7,110,534,289,388,507/97,112,323.68 - Step 6: Final answer
x = 73,219,690.56
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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.