Finding the Fourth Proportional to 172,074,844.72, 237,463,319.81 and 93,758,397.96
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Solution
The fourth proportional to 172,074,844.72, 237,463,319.81 and 93,758,397.96 is: 129,386,607.75
Step by Step Solution
- Step 1: Write the proportion equation
172,074,844.72 : 237,463,319.81 = 93,758,397.96 : x - Step 2: Convert to fraction form
172,074,844.72/237,463,319.81 = 93,758,397.96/x - Step 3: Cross multiply
172,074,844.72x = 237,463,319.81 × 93,758,397.96 - Step 4: Simplify right side
172,074,844.72x = 22,264,180,437,992,624 - Step 5: Solve for x
x = 22,264,180,437,992,624/172,074,844.72 - Step 6: Final answer
x = 129,386,607.75
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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.