Finding the Fourth Proportional to 180,873,718.08, 249,600,385.44 and 102,564,421.44
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Solution
The fourth proportional to 180,873,718.08, 249,600,385.44 and 102,564,421.44 is: 141,535,870.42
Step by Step Solution
- Step 1: Write the proportion equation
180,873,718.08 : 249,600,385.44 = 102,564,421.44 : x - Step 2: Convert to fraction form
180,873,718.08/249,600,385.44 = 102,564,421.44/x - Step 3: Cross multiply
180,873,718.08x = 249,600,385.44 × 102,564,421.44 - Step 4: Simplify right side
180,873,718.08x = 25,600,119,123,854,600 - Step 5: Solve for x
x = 25,600,119,123,854,600/180,873,718.08 - Step 6: Final answer
x = 141,535,870.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.