Home / 90,828,804.34-136,303,380.06-49,916,814.04

Finding the Fourth Proportional to 90,828,804.34, 136,303,380.06 and 49,916,814.04

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Solution

The fourth proportional to 90,828,804.34, 136,303,380.06 and 49,916,814.04 is: 74,908,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,804.34 : 136,303,380.06 = 49,916,814.04 : x
  2. Step 2: Convert to fraction form
    90,828,804.34/136,303,380.06 = 49,916,814.04/x
  3. Step 3: Cross multiply
    90,828,804.34x = 136,303,380.06 × 49,916,814.04
  4. Step 4: Simplify right side
    90,828,804.34x = 6,803,830,475,478,464
  5. Step 5: Solve for x
    x = 6,803,830,475,478,464/90,828,804.34
  6. Step 6: Final answer
    x = 74,908,290.66

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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.