Home / 137,555,312.64-189,819,470.08-75,674,060.16

Finding the Fourth Proportional to 137,555,312.64, 189,819,470.08 and 75,674,060.16

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Solution

The fourth proportional to 137,555,312.64, 189,819,470.08 and 75,674,060.16 is: 104,426,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,555,312.64 : 189,819,470.08 = 75,674,060.16 : x
  2. Step 2: Convert to fraction form
    137,555,312.64/189,819,470.08 = 75,674,060.16/x
  3. Step 3: Cross multiply
    137,555,312.64x = 189,819,470.08 × 75,674,060.16
  4. Step 4: Simplify right side
    137,555,312.64x = 14,364,409,998,373,240
  5. Step 5: Solve for x
    x = 14,364,409,998,373,240/137,555,312.64
  6. Step 6: Final answer
    x = 104,426,428.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.