Finding the Fourth Proportional to 410,211,938.06, 615,319,484.02 and 99,319,035.98
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Solution
The fourth proportional to 410,211,938.06, 615,319,484.02 and 99,319,035.98 is: 148,978,935.77
Step by Step Solution
- Step 1: Write the proportion equation
410,211,938.06 : 615,319,484.02 = 99,319,035.98 : x - Step 2: Convert to fraction form
410,211,938.06/615,319,484.02 = 99,319,035.98/x - Step 3: Cross multiply
410,211,938.06x = 615,319,484.02 × 99,319,035.98 - Step 4: Simplify right side
410,211,938.06x = 61,112,937,973,867,424 - Step 5: Solve for x
x = 61,112,937,973,867,424/410,211,938.06 - Step 6: Final answer
x = 148,978,935.77
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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.