Home / 163,911,115.80-245,547,809.10-99,022,169.70

Finding the Fourth Proportional to 163,911,115.80, 245,547,809.10 and 99,022,169.70

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Solution

The fourth proportional to 163,911,115.80, 245,547,809.10 and 99,022,169.70 is: 148,340,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,911,115.80 : 245,547,809.10 = 99,022,169.70 : x
  2. Step 2: Convert to fraction form
    163,911,115.80/245,547,809.10 = 99,022,169.70/x
  3. Step 3: Cross multiply
    163,911,115.80x = 245,547,809.10 × 99,022,169.70
  4. Step 4: Simplify right side
    163,911,115.80x = 24,314,676,822,163,404
  5. Step 5: Solve for x
    x = 24,314,676,822,163,404/163,911,115.80
  6. Step 6: Final answer
    x = 148,340,621.71

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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.