Home / 186,708,968.30-280,053,328.53-57,316,600.46

Finding the Fourth Proportional to 186,708,968.30, 280,053,328.53 and 57,316,600.46

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Solution

The fourth proportional to 186,708,968.30, 280,053,328.53 and 57,316,600.46 is: 85,971,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,708,968.30 : 280,053,328.53 = 57,316,600.46 : x
  2. Step 2: Convert to fraction form
    186,708,968.30/280,053,328.53 = 57,316,600.46/x
  3. Step 3: Cross multiply
    186,708,968.30x = 280,053,328.53 × 57,316,600.46
  4. Step 4: Simplify right side
    186,708,968.30x = 16,051,704,738,847,128
  5. Step 5: Solve for x
    x = 16,051,704,738,847,128/186,708,968.30
  6. Step 6: Final answer
    x = 85,971,792.81

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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.