Home / 130,778,210.90-195,831,393.15-103,680,406.10

Finding the Fourth Proportional to 130,778,210.90, 195,831,393.15 and 103,680,406.10

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Solution

The fourth proportional to 130,778,210.90, 195,831,393.15 and 103,680,406.10 is: 155,254,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,778,210.90 : 195,831,393.15 = 103,680,406.10 : x
  2. Step 2: Convert to fraction form
    130,778,210.90/195,831,393.15 = 103,680,406.10/x
  3. Step 3: Cross multiply
    130,778,210.90x = 195,831,393.15 × 103,680,406.10
  4. Step 4: Simplify right side
    130,778,210.90x = 20,303,878,368,920,756
  5. Step 5: Solve for x
    x = 20,303,878,368,920,756/130,778,210.90
  6. Step 6: Final answer
    x = 155,254,290.67

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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.