Finding the Fourth Proportional to 86,437,202.34, 129,656,023.12 and 35,319,221.15
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Solution
The fourth proportional to 86,437,202.34, 129,656,023.12 and 35,319,221.15 is: 52,978,921.46
Step by Step Solution
- Step 1: Write the proportion equation
86,437,202.34 : 129,656,023.12 = 35,319,221.15 : x - Step 2: Convert to fraction form
86,437,202.34/129,656,023.12 = 35,319,221.15/x - Step 3: Cross multiply
86,437,202.34x = 129,656,023.12 × 35,319,221.15 - Step 4: Simplify right side
86,437,202.34x = 4,579,349,753,916,495 - Step 5: Solve for x
x = 4,579,349,753,916,495/86,437,202.34 - Step 6: Final answer
x = 52,978,921.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.