Finding the Fourth Proportional to 133,127,668.14, 183,712,657.91 and 74,390,815.91
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Solution
The fourth proportional to 133,127,668.14, 183,712,657.91 and 74,390,815.91 is: 102,657,356.70
Step by Step Solution
- Step 1: Write the proportion equation
133,127,668.14 : 183,712,657.91 = 74,390,815.91 : x - Step 2: Convert to fraction form
133,127,668.14/183,712,657.91 = 74,390,815.91/x - Step 3: Cross multiply
133,127,668.14x = 183,712,657.91 × 74,390,815.91 - Step 4: Simplify right side
133,127,668.14x = 13,666,534,515,192,918 - Step 5: Solve for x
x = 13,666,534,515,192,918/133,127,668.14 - Step 6: Final answer
x = 102,657,356.70
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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.