Home / 189,768,814.74-284,688,855.60-86,145,293.13

Finding the Fourth Proportional to 189,768,814.74, 284,688,855.60 and 86,145,293.13

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Solution

The fourth proportional to 189,768,814.74, 284,688,855.60 and 86,145,293.13 is: 129,234,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,768,814.74 : 284,688,855.60 = 86,145,293.13 : x
  2. Step 2: Convert to fraction form
    189,768,814.74/284,688,855.60 = 86,145,293.13/x
  3. Step 3: Cross multiply
    189,768,814.74x = 284,688,855.60 × 86,145,293.13
  4. Step 4: Simplify right side
    189,768,814.74x = 24,524,604,916,506,244
  5. Step 5: Solve for x
    x = 24,524,604,916,506,244/189,768,814.74
  6. Step 6: Final answer
    x = 129,234,115.47

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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.