Home / 249,618,008.20-374,277,713.10-128,685,656.20

Finding the Fourth Proportional to 249,618,008.20, 374,277,713.10 and 128,685,656.20

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Solution

The fourth proportional to 249,618,008.20, 374,277,713.10 and 128,685,656.20 is: 192,951,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,618,008.20 : 374,277,713.10 = 128,685,656.20 : x
  2. Step 2: Convert to fraction form
    249,618,008.20/374,277,713.10 = 128,685,656.20/x
  3. Step 3: Cross multiply
    249,618,008.20x = 374,277,713.10 × 128,685,656.20
  4. Step 4: Simplify right side
    249,618,008.20x = 48,164,173,111,308,840
  5. Step 5: Solve for x
    x = 48,164,173,111,308,840/249,618,008.20
  6. Step 6: Final answer
    x = 192,951,516.03

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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.