Home / 370,977,128.70-556,465,693.05-98,375,451.90

Finding the Fourth Proportional to 370,977,128.70, 556,465,693.05 and 98,375,451.90

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Solution

The fourth proportional to 370,977,128.70, 556,465,693.05 and 98,375,451.90 is: 147,563,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,977,128.70 : 556,465,693.05 = 98,375,451.90 : x
  2. Step 2: Convert to fraction form
    370,977,128.70/556,465,693.05 = 98,375,451.90/x
  3. Step 3: Cross multiply
    370,977,128.70x = 556,465,693.05 × 98,375,451.90
  4. Step 4: Simplify right side
    370,977,128.70x = 54,742,564,020,640,440
  5. Step 5: Solve for x
    x = 54,742,564,020,640,440/370,977,128.70
  6. Step 6: Final answer
    x = 147,563,177.85

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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.