Home / 163,929,711.80-246,178,002.90-87,402,207.80

Finding the Fourth Proportional to 163,929,711.80, 246,178,002.90 and 87,402,207.80

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Solution

The fourth proportional to 163,929,711.80, 246,178,002.90 and 87,402,207.80 is: 131,254,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,929,711.80 : 246,178,002.90 = 87,402,207.80 : x
  2. Step 2: Convert to fraction form
    163,929,711.80/246,178,002.90 = 87,402,207.80/x
  3. Step 3: Cross multiply
    163,929,711.80x = 246,178,002.90 × 87,402,207.80
  4. Step 4: Simplify right side
    163,929,711.80x = 21,516,500,965,254,804
  5. Step 5: Solve for x
    x = 21,516,500,965,254,804/163,929,711.80
  6. Step 6: Final answer
    x = 131,254,430.51

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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.