Finding the Fourth Proportional to 152,849,176.08, 210,929,763.12 and 86,769,097.44
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Solution
The fourth proportional to 152,849,176.08, 210,929,763.12 and 86,769,097.44 is: 119,740,162.42
Step by Step Solution
- Step 1: Write the proportion equation
152,849,176.08 : 210,929,763.12 = 86,769,097.44 : x - Step 2: Convert to fraction form
152,849,176.08/210,929,763.12 = 86,769,097.44/x - Step 3: Cross multiply
152,849,176.08x = 210,929,763.12 × 86,769,097.44 - Step 4: Simplify right side
152,849,176.08x = 18,302,185,169,155,400 - Step 5: Solve for x
x = 18,302,185,169,155,400/152,849,176.08 - Step 6: Final answer
x = 119,740,162.42
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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.