Finding the Fourth Proportional to 115,698,624.90, 159,663,664.36 and 63,488,534.28
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Solution
The fourth proportional to 115,698,624.90, 159,663,664.36 and 63,488,534.28 is: 87,613,936.96
Step by Step Solution
- Step 1: Write the proportion equation
115,698,624.90 : 159,663,664.36 = 63,488,534.28 : x - Step 2: Convert to fraction form
115,698,624.90/159,663,664.36 = 63,488,534.28/x - Step 3: Cross multiply
115,698,624.90x = 159,663,664.36 × 63,488,534.28 - Step 4: Simplify right side
115,698,624.90x = 10,136,812,027,990,276 - Step 5: Solve for x
x = 10,136,812,027,990,276/115,698,624.90 - Step 6: Final answer
x = 87,613,936.96
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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.