Finding the Fourth Proportional to 138,235,196, 207,386,386.32 and 42,497,084
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Solution
The fourth proportional to 138,235,196, 207,386,386.32 and 42,497,084 is: 63,755,953.15
Step by Step Solution
- Step 1: Write the proportion equation
138,235,196 : 207,386,386.32 = 42,497,084 : x - Step 2: Convert to fraction form
138,235,196/207,386,386.32 = 42,497,084/x - Step 3: Cross multiply
138,235,196x = 207,386,386.32 × 42,497,084 - Step 4: Simplify right side
138,235,196x = 8,813,316,679,897,491 - Step 5: Solve for x
x = 8,813,316,679,897,491/138,235,196 - Step 6: Final answer
x = 63,755,953.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.