Home / 163,359,097.80-245,038,646.70-126,370,804.20

Finding the Fourth Proportional to 163,359,097.80, 245,038,646.70 and 126,370,804.20

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Solution

The fourth proportional to 163,359,097.80, 245,038,646.70 and 126,370,804.20 is: 189,556,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,359,097.80 : 245,038,646.70 = 126,370,804.20 : x
  2. Step 2: Convert to fraction form
    163,359,097.80/245,038,646.70 = 126,370,804.20/x
  3. Step 3: Cross multiply
    163,359,097.80x = 245,038,646.70 × 126,370,804.20
  4. Step 4: Simplify right side
    163,359,097.80x = 30,965,730,843,558,676
  5. Step 5: Solve for x
    x = 30,965,730,843,558,676/163,359,097.80
  6. Step 6: Final answer
    x = 189,556,206.30

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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.