Home / 118,564,992.50-163,619,689.65-64,301,184.50

Finding the Fourth Proportional to 118,564,992.50, 163,619,689.65 and 64,301,184.50

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Solution

The fourth proportional to 118,564,992.50, 163,619,689.65 and 64,301,184.50 is: 88,735,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,564,992.50 : 163,619,689.65 = 64,301,184.50 : x
  2. Step 2: Convert to fraction form
    118,564,992.50/163,619,689.65 = 64,301,184.50/x
  3. Step 3: Cross multiply
    118,564,992.50x = 163,619,689.65 × 64,301,184.50
  4. Step 4: Simplify right side
    118,564,992.50x = 10,520,939,852,017,390
  5. Step 5: Solve for x
    x = 10,520,939,852,017,390/118,564,992.50
  6. Step 6: Final answer
    x = 88,735,634.61

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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.