Finding the Fourth Proportional to 181,671,121.20, 272,506,681.80 and 181,671,121.20
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Solution
The fourth proportional to 181,671,121.20, 272,506,681.80 and 181,671,121.20 is: 272,506,681.80
Step by Step Solution
- Step 1: Write the proportion equation
181,671,121.20 : 272,506,681.80 = 181,671,121.20 : x - Step 2: Convert to fraction form
181,671,121.20/272,506,681.80 = 181,671,121.20/x - Step 3: Cross multiply
181,671,121.20x = 272,506,681.80 × 181,671,121.20 - Step 4: Simplify right side
181,671,121.20x = 49,506,594,417,097,632 - Step 5: Solve for x
x = 49,506,594,417,097,632/181,671,121.20 - Step 6: Final answer
x = 272,506,681.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.