Finding the Fourth Proportional to 172,970,001.98, 238,698,578.79 and 94,653,534.81
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Solution
The fourth proportional to 172,970,001.98, 238,698,578.79 and 94,653,534.81 is: 130,621,864.94
Step by Step Solution
- Step 1: Write the proportion equation
172,970,001.98 : 238,698,578.79 = 94,653,534.81 : x - Step 2: Convert to fraction form
172,970,001.98/238,698,578.79 = 94,653,534.81/x - Step 3: Cross multiply
172,970,001.98x = 238,698,578.79 × 94,653,534.81 - Step 4: Simplify right side
172,970,001.98x = 22,593,664,236,596,792 - Step 5: Solve for x
x = 22,593,664,236,596,792/172,970,001.98 - Step 6: Final answer
x = 130,621,864.94
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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.