Home / 358,048,812.87-537,162,602.67-124,882,875.38

Finding the Fourth Proportional to 358,048,812.87, 537,162,602.67 and 124,882,875.38

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Solution

The fourth proportional to 358,048,812.87, 537,162,602.67 and 124,882,875.38 is: 187,355,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,048,812.87 : 537,162,602.67 = 124,882,875.38 : x
  2. Step 2: Convert to fraction form
    358,048,812.87/537,162,602.67 = 124,882,875.38/x
  3. Step 3: Cross multiply
    358,048,812.87x = 537,162,602.67 × 124,882,875.38
  4. Step 4: Simplify right side
    358,048,812.87x = 67,082,410,369,376,960
  5. Step 5: Solve for x
    x = 67,082,410,369,376,960/358,048,812.87
  6. Step 6: Final answer
    x = 187,355,488.86

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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.