Home / 156,528,543.49-216,093,252.94-120,686,698.51

Finding the Fourth Proportional to 156,528,543.49, 216,093,252.94 and 120,686,698.51

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Solution

The fourth proportional to 156,528,543.49, 216,093,252.94 and 120,686,698.51 is: 166,612,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,528,543.49 : 216,093,252.94 = 120,686,698.51 : x
  2. Step 2: Convert to fraction form
    156,528,543.49/216,093,252.94 = 120,686,698.51/x
  3. Step 3: Cross multiply
    156,528,543.49x = 216,093,252.94 × 120,686,698.51
  4. Step 4: Simplify right side
    156,528,543.49x = 26,079,581,266,773,000
  5. Step 5: Solve for x
    x = 26,079,581,266,773,000/156,528,543.49
  6. Step 6: Final answer
    x = 166,612,303.97

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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.