Home / 163,670,338.70-245,505,508.05-42,501,790.70

Finding the Fourth Proportional to 163,670,338.70, 245,505,508.05 and 42,501,790.70

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Solution

The fourth proportional to 163,670,338.70, 245,505,508.05 and 42,501,790.70 is: 63,752,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670,338.70 : 245,505,508.05 = 42,501,790.70 : x
  2. Step 2: Convert to fraction form
    163,670,338.70/245,505,508.05 = 42,501,790.70/x
  3. Step 3: Cross multiply
    163,670,338.70x = 245,505,508.05 × 42,501,790.70
  4. Step 4: Simplify right side
    163,670,338.70x = 10,434,423,718,838,266
  5. Step 5: Solve for x
    x = 10,434,423,718,838,266/163,670,338.70
  6. Step 6: Final answer
    x = 63,752,686.05

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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.