Home / 90,828,803.34-136,303,378.56-49,916,813.04

Finding the Fourth Proportional to 90,828,803.34, 136,303,378.56 and 49,916,813.04

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Solution

The fourth proportional to 90,828,803.34, 136,303,378.56 and 49,916,813.04 is: 74,908,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,803.34 : 136,303,378.56 = 49,916,813.04 : x
  2. Step 2: Convert to fraction form
    90,828,803.34/136,303,378.56 = 49,916,813.04/x
  3. Step 3: Cross multiply
    90,828,803.34x = 136,303,378.56 × 49,916,813.04
  4. Step 4: Simplify right side
    90,828,803.34x = 6,803,830,264,299,864
  5. Step 5: Solve for x
    x = 6,803,830,264,299,864/90,828,803.34
  6. Step 6: Final answer
    x = 74,908,289.16

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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.