Finding the Fourth Proportional to 42,634,686.80, 63,952,030.20 and 29,869,605.20
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Solution
The fourth proportional to 42,634,686.80, 63,952,030.20 and 29,869,605.20 is: 44,804,407.80
Step by Step Solution
- Step 1: Write the proportion equation
42,634,686.80 : 63,952,030.20 = 29,869,605.20 : x - Step 2: Convert to fraction form
42,634,686.80/63,952,030.20 = 29,869,605.20/x - Step 3: Cross multiply
42,634,686.80x = 63,952,030.20 × 29,869,605.20 - Step 4: Simplify right side
42,634,686.80x = 1,910,221,893,812,477 - Step 5: Solve for x
x = 1,910,221,893,812,477/42,634,686.80 - Step 6: Final answer
x = 44,804,407.80
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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.