Home / 249,407,486.40-374,119,783.20-76,882,929.60

Finding the Fourth Proportional to 249,407,486.40, 374,119,783.20 and 76,882,929.60

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Solution

The fourth proportional to 249,407,486.40, 374,119,783.20 and 76,882,929.60 is: 115,327,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,407,486.40 : 374,119,783.20 = 76,882,929.60 : x
  2. Step 2: Convert to fraction form
    249,407,486.40/374,119,783.20 = 76,882,929.60/x
  3. Step 3: Cross multiply
    249,407,486.40x = 374,119,783.20 × 76,882,929.60
  4. Step 4: Simplify right side
    249,407,486.40x = 28,763,424,953,732,860
  5. Step 5: Solve for x
    x = 28,763,424,953,732,860/249,407,486.40
  6. Step 6: Final answer
    x = 115,327,031.15

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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.