Home / 212,803,689.20-293,669,217.08-118,717,836.56

Finding the Fourth Proportional to 212,803,689.20, 293,669,217.08 and 118,717,836.56

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Solution

The fourth proportional to 212,803,689.20, 293,669,217.08 and 118,717,836.56 is: 163,830,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,803,689.20 : 293,669,217.08 = 118,717,836.56 : x
  2. Step 2: Convert to fraction form
    212,803,689.20/293,669,217.08 = 118,717,836.56/x
  3. Step 3: Cross multiply
    212,803,689.20x = 293,669,217.08 × 118,717,836.56
  4. Step 4: Simplify right side
    212,803,689.20x = 34,863,774,116,006,600
  5. Step 5: Solve for x
    x = 34,863,774,116,006,600/212,803,689.20
  6. Step 6: Final answer
    x = 163,830,684.74

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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.