Home / 163,555,641.80-245,333,462.70-117,639,139.40

Finding the Fourth Proportional to 163,555,641.80, 245,333,462.70 and 117,639,139.40

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Solution

The fourth proportional to 163,555,641.80, 245,333,462.70 and 117,639,139.40 is: 176,458,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,641.80 : 245,333,462.70 = 117,639,139.40 : x
  2. Step 2: Convert to fraction form
    163,555,641.80/245,333,462.70 = 117,639,139.40/x
  3. Step 3: Cross multiply
    163,555,641.80x = 245,333,462.70 × 117,639,139.40
  4. Step 4: Simplify right side
    163,555,641.80x = 28,860,817,418,050,000
  5. Step 5: Solve for x
    x = 28,860,817,418,050,000/163,555,641.80
  6. Step 6: Final answer
    x = 176,458,709.10

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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.