Finding the Fourth Proportional to 302,516,465.80, 453,774,698.70 and 87,127,486.60
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Solution
The fourth proportional to 302,516,465.80, 453,774,698.70 and 87,127,486.60 is: 130,691,229.90
Step by Step Solution
- Step 1: Write the proportion equation
302,516,465.80 : 453,774,698.70 = 87,127,486.60 : x - Step 2: Convert to fraction form
302,516,465.80/453,774,698.70 = 87,127,486.60/x - Step 3: Cross multiply
302,516,465.80x = 453,774,698.70 × 87,127,486.60 - Step 4: Simplify right side
302,516,465.80x = 39,536,248,980,403,280 - Step 5: Solve for x
x = 39,536,248,980,403,280/302,516,465.80 - Step 6: Final answer
x = 130,691,229.90
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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.