Finding the Fourth Proportional to 146,519,726.10, 220,031,531.55 and 103,689,518.10
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Solution
The fourth proportional to 146,519,726.10, 220,031,531.55 and 103,689,518.10 is: 155,712,572.50
Step by Step Solution
- Step 1: Write the proportion equation
146,519,726.10 : 220,031,531.55 = 103,689,518.10 : x - Step 2: Convert to fraction form
146,519,726.10/220,031,531.55 = 103,689,518.10/x - Step 3: Cross multiply
146,519,726.10x = 220,031,531.55 × 103,689,518.10 - Step 4: Simplify right side
146,519,726.10x = 22,814,963,473,224,444 - Step 5: Solve for x
x = 22,814,963,473,224,444/146,519,726.10 - Step 6: Final answer
x = 155,712,572.50
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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.