Finding the Fourth Proportional to 139,995,397.04, 193,266,287.15 and 102,276,259.07
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Solution
The fourth proportional to 139,995,397.04, 193,266,287.15 and 102,276,259.07 is: 141,194,305.46
Step by Step Solution
- Step 1: Write the proportion equation
139,995,397.04 : 193,266,287.15 = 102,276,259.07 : x - Step 2: Convert to fraction form
139,995,397.04/193,266,287.15 = 102,276,259.07/x - Step 3: Cross multiply
139,995,397.04x = 193,266,287.15 × 102,276,259.07 - Step 4: Simplify right side
139,995,397.04x = 19,766,552,852,572,700 - Step 5: Solve for x
x = 19,766,552,852,572,700/139,995,397.04 - Step 6: Final answer
x = 141,194,305.46
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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.