Finding the Fourth Proportional to 119,849,316.18, 165,344,995.60 and 69,604,981.35
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Solution
The fourth proportional to 119,849,316.18, 165,344,995.60 and 69,604,981.35 is: 96,027,542.77
Step by Step Solution
- Step 1: Write the proportion equation
119,849,316.18 : 165,344,995.60 = 69,604,981.35 : x - Step 2: Convert to fraction form
119,849,316.18/165,344,995.60 = 69,604,981.35/x - Step 3: Cross multiply
119,849,316.18x = 165,344,995.60 × 69,604,981.35 - Step 4: Simplify right side
119,849,316.18x = 11,508,835,335,053,830 - Step 5: Solve for x
x = 11,508,835,335,053,830/119,849,316.18 - Step 6: Final answer
x = 96,027,542.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.