Home / 84,369,716-116,442,632.40-53,432,761.76

Finding the Fourth Proportional to 84,369,716, 116,442,632.40 and 53,432,761.76

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Solution

The fourth proportional to 84,369,716, 116,442,632.40 and 53,432,761.76 is: 73,745,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,369,716 : 116,442,632.40 = 53,432,761.76 : x
  2. Step 2: Convert to fraction form
    84,369,716/116,442,632.40 = 53,432,761.76/x
  3. Step 3: Cross multiply
    84,369,716x = 116,442,632.40 × 53,432,761.76
  4. Step 4: Simplify right side
    84,369,716x = 6,221,851,435,736,457
  5. Step 5: Solve for x
    x = 6,221,851,435,736,457/84,369,716
  6. Step 6: Final answer
    x = 73,745,079.76

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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.