Finding the Fourth Proportional to 115,161,519.60, 172,742,280.08 and 38,484,547.81
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Solution
The fourth proportional to 115,161,519.60, 172,742,280.08 and 38,484,547.81 is: 57,726,821.94
Step by Step Solution
- Step 1: Write the proportion equation
115,161,519.60 : 172,742,280.08 = 38,484,547.81 : x - Step 2: Convert to fraction form
115,161,519.60/172,742,280.08 = 38,484,547.81/x - Step 3: Cross multiply
115,161,519.60x = 172,742,280.08 × 38,484,547.81 - Step 4: Simplify right side
115,161,519.60x = 6,647,908,536,354,748 - Step 5: Solve for x
x = 6,647,908,536,354,748/115,161,519.60 - Step 6: Final answer
x = 57,726,821.94
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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.