Finding the Fourth Proportional to 76,909,065.12, 106,134,501.96 and 41,626,864.08
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Solution
The fourth proportional to 76,909,065.12, 106,134,501.96 and 41,626,864.08 is: 57,445,068.15
Step by Step Solution
- Step 1: Write the proportion equation
76,909,065.12 : 106,134,501.96 = 41,626,864.08 : x - Step 2: Convert to fraction form
76,909,065.12/106,134,501.96 = 41,626,864.08/x - Step 3: Cross multiply
76,909,065.12x = 106,134,501.96 × 41,626,864.08 - Step 4: Simplify right side
76,909,065.12x = 4,418,046,487,287,413 - Step 5: Solve for x
x = 4,418,046,487,287,413/76,909,065.12 - Step 6: Final answer
x = 57,445,068.15
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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.