Home / 130,045,598.06-179,426,606.90-102,457,870.70

Finding the Fourth Proportional to 130,045,598.06, 179,426,606.90 and 102,457,870.70

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Solution

The fourth proportional to 130,045,598.06, 179,426,606.90 and 102,457,870.70 is: 141,363,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045,598.06 : 179,426,606.90 = 102,457,870.70 : x
  2. Step 2: Convert to fraction form
    130,045,598.06/179,426,606.90 = 102,457,870.70/x
  3. Step 3: Cross multiply
    130,045,598.06x = 179,426,606.90 × 102,457,870.70
  4. Step 4: Simplify right side
    130,045,598.06x = 18,383,668,089,899,928
  5. Step 5: Solve for x
    x = 18,383,668,089,899,928/130,045,598.06
  6. Step 6: Final answer
    x = 141,363,247.69

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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.