Finding the Fourth Proportional to 133,488,029.70, 187,420,718.70 and 133,488,029.70
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Solution
The fourth proportional to 133,488,029.70, 187,420,718.70 and 133,488,029.70 is: 187,420,718.70
Step by Step Solution
- Step 1: Write the proportion equation
133,488,029.70 : 187,420,718.70 = 133,488,029.70 : x - Step 2: Convert to fraction form
133,488,029.70/187,420,718.70 = 133,488,029.70/x - Step 3: Cross multiply
133,488,029.70x = 187,420,718.70 × 133,488,029.70 - Step 4: Simplify right side
133,488,029.70x = 25,018,422,464,220,944 - Step 5: Solve for x
x = 25,018,422,464,220,944/133,488,029.70 - Step 6: Final answer
x = 187,420,718.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.