Home / 130,065,268.20-179,473,573.23-71,312,472.78

Finding the Fourth Proportional to 130,065,268.20, 179,473,573.23 and 71,312,472.78

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Solution

The fourth proportional to 130,065,268.20, 179,473,573.23 and 71,312,472.78 is: 98,402,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,065,268.20 : 179,473,573.23 = 71,312,472.78 : x
  2. Step 2: Convert to fraction form
    130,065,268.20/179,473,573.23 = 71,312,472.78/x
  3. Step 3: Cross multiply
    130,065,268.20x = 179,473,573.23 × 71,312,472.78
  4. Step 4: Simplify right side
    130,065,268.20x = 12,798,704,305,693,712
  5. Step 5: Solve for x
    x = 12,798,704,305,693,712/130,065,268.20
  6. Step 6: Final answer
    x = 98,402,167.49

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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.