Finding the Fourth Proportional to 42,176,698.02, 63,242,298.12 and 19,135,059.48
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Solution
The fourth proportional to 42,176,698.02, 63,242,298.12 and 19,135,059.48 is: 28,692,268.31
Step by Step Solution
- Step 1: Write the proportion equation
42,176,698.02 : 63,242,298.12 = 19,135,059.48 : x - Step 2: Convert to fraction form
42,176,698.02/63,242,298.12 = 19,135,059.48/x - Step 3: Cross multiply
42,176,698.02x = 63,242,298.12 × 19,135,059.48 - Step 4: Simplify right side
42,176,698.02x = 1,210,145,136,178,092.25 - Step 5: Solve for x
x = 1,210,145,136,178,092.25/42,176,698.02 - Step 6: Final answer
x = 28,692,268.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.