Home / 265,722,681.60-366,688,972.80-155,787,609.60

Finding the Fourth Proportional to 265,722,681.60, 366,688,972.80 and 155,787,609.60

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Solution

The fourth proportional to 265,722,681.60, 366,688,972.80 and 155,787,609.60 is: 214,982,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,722,681.60 : 366,688,972.80 = 155,787,609.60 : x
  2. Step 2: Convert to fraction form
    265,722,681.60/366,688,972.80 = 155,787,609.60/x
  3. Step 3: Cross multiply
    265,722,681.60x = 366,688,972.80 × 155,787,609.60
  4. Step 4: Simplify right side
    265,722,681.60x = 57,125,598,539,191,416
  5. Step 5: Solve for x
    x = 57,125,598,539,191,416/265,722,681.60
  6. Step 6: Final answer
    x = 214,982,018.83

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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.