Home / 125,355,616.60-188,033,424.90-103,814,541.40

Finding the Fourth Proportional to 125,355,616.60, 188,033,424.90 and 103,814,541.40

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Solution

The fourth proportional to 125,355,616.60, 188,033,424.90 and 103,814,541.40 is: 155,721,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355,616.60 : 188,033,424.90 = 103,814,541.40 : x
  2. Step 2: Convert to fraction form
    125,355,616.60/188,033,424.90 = 103,814,541.40/x
  3. Step 3: Cross multiply
    125,355,616.60x = 188,033,424.90 × 103,814,541.40
  4. Step 4: Simplify right side
    125,355,616.60x = 19,520,603,773,864,844
  5. Step 5: Solve for x
    x = 19,520,603,773,864,844/125,355,616.60
  6. Step 6: Final answer
    x = 155,721,812.10

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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.