Finding the Fourth Proportional to 134,140,688.01, 201,210,781.05 and 42,031,477.53
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Solution
The fourth proportional to 134,140,688.01, 201,210,781.05 and 42,031,477.53 is: 63,047,137.66
Step by Step Solution
- Step 1: Write the proportion equation
134,140,688.01 : 201,210,781.05 = 42,031,477.53 : x - Step 2: Convert to fraction form
134,140,688.01/201,210,781.05 = 42,031,477.53/x - Step 3: Cross multiply
134,140,688.01x = 201,210,781.05 × 42,031,477.53 - Step 4: Simplify right side
134,140,688.01x = 8,457,186,422,496,826 - Step 5: Solve for x
x = 8,457,186,422,496,826/134,140,688.01 - Step 6: Final answer
x = 63,047,137.66
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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.