Finding the Fourth Proportional to 66,260,864.16, 91,237,194.63 and 66,069,545.40
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Solution
The fourth proportional to 66,260,864.16, 91,237,194.63 and 66,069,545.40 is: 90,973,760.29
Step by Step Solution
- Step 1: Write the proportion equation
66,260,864.16 : 91,237,194.63 = 66,069,545.40 : x - Step 2: Convert to fraction form
66,260,864.16/91,237,194.63 = 66,069,545.40/x - Step 3: Cross multiply
66,260,864.16x = 91,237,194.63 × 66,069,545.40 - Step 4: Simplify right side
66,260,864.16x = 6,027,999,972,775,421 - Step 5: Solve for x
x = 6,027,999,972,775,421/66,260,864.16 - Step 6: Final answer
x = 90,973,760.29
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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.