Home / 249,113,498.10-343,787,071.38-143,266,996.05

Finding the Fourth Proportional to 249,113,498.10, 343,787,071.38 and 143,266,996.05

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Solution

The fourth proportional to 249,113,498.10, 343,787,071.38 and 143,266,996.05 is: 197,714,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,113,498.10 : 343,787,071.38 = 143,266,996.05 : x
  2. Step 2: Convert to fraction form
    249,113,498.10/343,787,071.38 = 143,266,996.05/x
  3. Step 3: Cross multiply
    249,113,498.10x = 343,787,071.38 × 143,266,996.05
  4. Step 4: Simplify right side
    249,113,498.10x = 49,253,340,997,439,528
  5. Step 5: Solve for x
    x = 49,253,340,997,439,528/249,113,498.10
  6. Step 6: Final answer
    x = 197,714,460.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.