Home / 141,393,789,834.83-212,124,393,338.72-45,779,837,453.16

Finding the Fourth Proportional to 141,393,789,834.83, 212,124,393,338.72 and 45,779,837,453.16

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Solution

The fourth proportional to 141,393,789,834.83, 212,124,393,338.72 and 45,779,837,453.16 is: 68,680,670,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,393,789,834.83 : 212,124,393,338.72 = 45,779,837,453.16 : x
  2. Step 2: Convert to fraction form
    141,393,789,834.83/212,124,393,338.72 = 45,779,837,453.16/x
  3. Step 3: Cross multiply
    141,393,789,834.83x = 212,124,393,338.72 × 45,779,837,453.16
  4. Step 4: Simplify right side
    141,393,789,834.83x = 9,711,020,246,896,778,149,888
  5. Step 5: Solve for x
    x = 9,711,020,246,896,778,149,888/141,393,789,834.83
  6. Step 6: Final answer
    x = 68,680,670,192.38

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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.