Home / 125,355,618.60-188,033,427.90-103,814,543.40

Finding the Fourth Proportional to 125,355,618.60, 188,033,427.90 and 103,814,543.40

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Solution

The fourth proportional to 125,355,618.60, 188,033,427.90 and 103,814,543.40 is: 155,721,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355,618.60 : 188,033,427.90 = 103,814,543.40 : x
  2. Step 2: Convert to fraction form
    125,355,618.60/188,033,427.90 = 103,814,543.40/x
  3. Step 3: Cross multiply
    125,355,618.60x = 188,033,427.90 × 103,814,543.40
  4. Step 4: Simplify right side
    125,355,618.60x = 19,520,604,461,375,324
  5. Step 5: Solve for x
    x = 19,520,604,461,375,324/125,355,618.60
  6. Step 6: Final answer
    x = 155,721,815.10

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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.