Home / 89,931,135.93-124,053,165.82-54,142,663.67

Finding the Fourth Proportional to 89,931,135.93, 124,053,165.82 and 54,142,663.67

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Solution

The fourth proportional to 89,931,135.93, 124,053,165.82 and 54,142,663.67 is: 74,685,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,931,135.93 : 124,053,165.82 = 54,142,663.67 : x
  2. Step 2: Convert to fraction form
    89,931,135.93/124,053,165.82 = 54,142,663.67/x
  3. Step 3: Cross multiply
    89,931,135.93x = 124,053,165.82 × 54,142,663.67
  4. Step 4: Simplify right side
    89,931,135.93x = 6,716,568,834,191,000
  5. Step 5: Solve for x
    x = 6,716,568,834,191,000/89,931,135.93
  6. Step 6: Final answer
    x = 74,685,688.83

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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.