Home / 163,929,726.80-246,178,025.40-87,402,222.80

Finding the Fourth Proportional to 163,929,726.80, 246,178,025.40 and 87,402,222.80

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Solution

The fourth proportional to 163,929,726.80, 246,178,025.40 and 87,402,222.80 is: 131,254,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,929,726.80 : 246,178,025.40 = 87,402,222.80 : x
  2. Step 2: Convert to fraction form
    163,929,726.80/246,178,025.40 = 87,402,222.80/x
  3. Step 3: Cross multiply
    163,929,726.80x = 246,178,025.40 × 87,402,222.80
  4. Step 4: Simplify right side
    163,929,726.80x = 21,516,506,624,474,860
  5. Step 5: Solve for x
    x = 21,516,506,624,474,860/163,929,726.80
  6. Step 6: Final answer
    x = 131,254,453.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.