Home / 130,778,207.40-195,831,387.90-103,680,402.60

Finding the Fourth Proportional to 130,778,207.40, 195,831,387.90 and 103,680,402.60

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Solution

The fourth proportional to 130,778,207.40, 195,831,387.90 and 103,680,402.60 is: 155,254,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,778,207.40 : 195,831,387.90 = 103,680,402.60 : x
  2. Step 2: Convert to fraction form
    130,778,207.40/195,831,387.90 = 103,680,402.60/x
  3. Step 3: Cross multiply
    130,778,207.40x = 195,831,387.90 × 103,680,402.60
  4. Step 4: Simplify right side
    130,778,207.40x = 20,303,877,139,188,768
  5. Step 5: Solve for x
    x = 20,303,877,139,188,768/130,778,207.40
  6. Step 6: Final answer
    x = 155,254,285.43

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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.