Home / 135,217,232.64-186,604,005.02-76,478,748.37

Finding the Fourth Proportional to 135,217,232.64, 186,604,005.02 and 76,478,748.37

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Solution

The fourth proportional to 135,217,232.64, 186,604,005.02 and 76,478,748.37 is: 105,543,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,217,232.64 : 186,604,005.02 = 76,478,748.37 : x
  2. Step 2: Convert to fraction form
    135,217,232.64/186,604,005.02 = 76,478,748.37/x
  3. Step 3: Cross multiply
    135,217,232.64x = 186,604,005.02 × 76,478,748.37
  4. Step 4: Simplify right side
    135,217,232.64x = 14,271,240,744,758,798
  5. Step 5: Solve for x
    x = 14,271,240,744,758,798/135,217,232.64
  6. Step 6: Final answer
    x = 105,543,061.83

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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.