Finding the Fourth Proportional to 178,078,329.27, 245,748,117.70 and 98,698,515.66
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Solution
The fourth proportional to 178,078,329.27, 245,748,117.70 and 98,698,515.66 is: 136,203,964.52
Step by Step Solution
- Step 1: Write the proportion equation
178,078,329.27 : 245,748,117.70 = 98,698,515.66 : x - Step 2: Convert to fraction form
178,078,329.27/245,748,117.70 = 98,698,515.66/x - Step 3: Cross multiply
178,078,329.27x = 245,748,117.70 × 98,698,515.66 - Step 4: Simplify right side
178,078,329.27x = 24,254,974,442,105,880 - Step 5: Solve for x
x = 24,254,974,442,105,880/178,078,329.27 - Step 6: Final answer
x = 136,203,964.52
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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.