Finding the Fourth Proportional to 274,221,746.99, 411,363,833.45 and 99,427,097.64
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Solution
The fourth proportional to 274,221,746.99, 411,363,833.45 and 99,427,097.64 is: 149,151,963.63
Step by Step Solution
- Step 1: Write the proportion equation
274,221,746.99 : 411,363,833.45 = 99,427,097.64 : x - Step 2: Convert to fraction form
274,221,746.99/411,363,833.45 = 99,427,097.64/x - Step 3: Cross multiply
274,221,746.99x = 411,363,833.45 × 99,427,097.64 - Step 4: Simplify right side
274,221,746.99x = 40,900,712,033,500,712 - Step 5: Solve for x
x = 40,900,712,033,500,712/274,221,746.99 - Step 6: Final answer
x = 149,151,963.63
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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.