Finding the Fourth Proportional to 79,249,106.84, 118,885,471.84 and 28,126,844.60
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Solution
The fourth proportional to 79,249,106.84, 118,885,471.84 and 28,126,844.60 is: 42,194,459.03
Step by Step Solution
- Step 1: Write the proportion equation
79,249,106.84 : 118,885,471.84 = 28,126,844.60 : x - Step 2: Convert to fraction form
79,249,106.84/118,885,471.84 = 28,126,844.60/x - Step 3: Cross multiply
79,249,106.84x = 118,885,471.84 × 28,126,844.60 - Step 4: Simplify right side
79,249,106.84x = 3,343,873,191,641,356.50 - Step 5: Solve for x
x = 3,343,873,191,641,356.50/79,249,106.84 - Step 6: Final answer
x = 42,194,459.03
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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.