Home / 77,340,344.55-106,727,543.78-42,533,031.03

Finding the Fourth Proportional to 77,340,344.55, 106,727,543.78 and 42,533,031.03

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Solution

The fourth proportional to 77,340,344.55, 106,727,543.78 and 42,533,031.03 is: 58,694,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340,344.55 : 106,727,543.78 = 42,533,031.03 : x
  2. Step 2: Convert to fraction form
    77,340,344.55/106,727,543.78 = 42,533,031.03/x
  3. Step 3: Cross multiply
    77,340,344.55x = 106,727,543.78 × 42,533,031.03
  4. Step 4: Simplify right side
    77,340,344.55x = 4,539,445,931,137,759
  5. Step 5: Solve for x
    x = 4,539,445,931,137,759/77,340,344.55
  6. Step 6: Final answer
    x = 58,694,410.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.