Home / 208,543,007.80-312,814,511.70-160,264,545.40

Finding the Fourth Proportional to 208,543,007.80, 312,814,511.70 and 160,264,545.40

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Solution

The fourth proportional to 208,543,007.80, 312,814,511.70 and 160,264,545.40 is: 240,396,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,543,007.80 : 312,814,511.70 = 160,264,545.40 : x
  2. Step 2: Convert to fraction form
    208,543,007.80/312,814,511.70 = 160,264,545.40/x
  3. Step 3: Cross multiply
    208,543,007.80x = 312,814,511.70 × 160,264,545.40
  4. Step 4: Simplify right side
    208,543,007.80x = 50,133,075,512,123,480
  5. Step 5: Solve for x
    x = 50,133,075,512,123,480/208,543,007.80
  6. Step 6: Final answer
    x = 240,396,818.10

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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.