Home / 249,663,612.20-374,495,418.30-128,731,260.20

Finding the Fourth Proportional to 249,663,612.20, 374,495,418.30 and 128,731,260.20

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Solution

The fourth proportional to 249,663,612.20, 374,495,418.30 and 128,731,260.20 is: 193,096,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,663,612.20 : 374,495,418.30 = 128,731,260.20 : x
  2. Step 2: Convert to fraction form
    249,663,612.20/374,495,418.30 = 128,731,260.20/x
  3. Step 3: Cross multiply
    249,663,612.20x = 374,495,418.30 × 128,731,260.20
  4. Step 4: Simplify right side
    249,663,612.20x = 48,209,267,136,885,144
  5. Step 5: Solve for x
    x = 48,209,267,136,885,144/249,663,612.20
  6. Step 6: Final answer
    x = 193,096,890.30

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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.