Home / 132,523,609.66-182,880,397.59-77,528,782.78

Finding the Fourth Proportional to 132,523,609.66, 182,880,397.59 and 77,528,782.78

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Solution

The fourth proportional to 132,523,609.66, 182,880,397.59 and 77,528,782.78 is: 106,988,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,523,609.66 : 182,880,397.59 = 77,528,782.78 : x
  2. Step 2: Convert to fraction form
    132,523,609.66/182,880,397.59 = 77,528,782.78/x
  3. Step 3: Cross multiply
    132,523,609.66x = 182,880,397.59 × 77,528,782.78
  4. Step 4: Simplify right side
    132,523,609.66x = 14,178,494,619,475,146
  5. Step 5: Solve for x
    x = 14,178,494,619,475,146/132,523,609.66
  6. Step 6: Final answer
    x = 106,988,442.71

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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.