Home / 163,872,911.40-245,809,367.10-42,704,363.40

Finding the Fourth Proportional to 163,872,911.40, 245,809,367.10 and 42,704,363.40

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Solution

The fourth proportional to 163,872,911.40, 245,809,367.10 and 42,704,363.40 is: 64,056,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,872,911.40 : 245,809,367.10 = 42,704,363.40 : x
  2. Step 2: Convert to fraction form
    163,872,911.40/245,809,367.10 = 42,704,363.40/x
  3. Step 3: Cross multiply
    163,872,911.40x = 245,809,367.10 × 42,704,363.40
  4. Step 4: Simplify right side
    163,872,911.40x = 10,497,132,539,762,404
  5. Step 5: Solve for x
    x = 10,497,132,539,762,404/163,872,911.40
  6. Step 6: Final answer
    x = 64,056,545.10

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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.