Home / 163,911,919.80-245,867,879.70-154,506,070.20

Finding the Fourth Proportional to 163,911,919.80, 245,867,879.70 and 154,506,070.20

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Solution

The fourth proportional to 163,911,919.80, 245,867,879.70 and 154,506,070.20 is: 231,759,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,911,919.80 : 245,867,879.70 = 154,506,070.20 : x
  2. Step 2: Convert to fraction form
    163,911,919.80/245,867,879.70 = 154,506,070.20/x
  3. Step 3: Cross multiply
    163,911,919.80x = 245,867,879.70 × 154,506,070.20
  4. Step 4: Simplify right side
    163,911,919.80x = 37,988,079,880,853,352
  5. Step 5: Solve for x
    x = 37,988,079,880,853,352/163,911,919.80
  6. Step 6: Final answer
    x = 231,759,105.30

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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.