Home / 128,202,488.10-192,303,732.15-37,329,041.70

Finding the Fourth Proportional to 128,202,488.10, 192,303,732.15 and 37,329,041.70

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Solution

The fourth proportional to 128,202,488.10, 192,303,732.15 and 37,329,041.70 is: 55,993,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202,488.10 : 192,303,732.15 = 37,329,041.70 : x
  2. Step 2: Convert to fraction form
    128,202,488.10/192,303,732.15 = 37,329,041.70/x
  3. Step 3: Cross multiply
    128,202,488.10x = 192,303,732.15 × 37,329,041.70
  4. Step 4: Simplify right side
    128,202,488.10x = 7,178,514,036,492,981
  5. Step 5: Solve for x
    x = 7,178,514,036,492,981/128,202,488.10
  6. Step 6: Final answer
    x = 55,993,562.55

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1.5x scale

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.