Home / 42,768,051.80-64,152,077.70-40,248,627.80

Finding the Fourth Proportional to 42,768,051.80, 64,152,077.70 and 40,248,627.80

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Solution

The fourth proportional to 42,768,051.80, 64,152,077.70 and 40,248,627.80 is: 60,372,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,051.80 : 64,152,077.70 = 40,248,627.80 : x
  2. Step 2: Convert to fraction form
    42,768,051.80/64,152,077.70 = 40,248,627.80/x
  3. Step 3: Cross multiply
    42,768,051.80x = 64,152,077.70 × 40,248,627.80
  4. Step 4: Simplify right side
    42,768,051.80x = 2,582,033,097,943,980
  5. Step 5: Solve for x
    x = 2,582,033,097,943,980/42,768,051.80
  6. Step 6: Final answer
    x = 60,372,941.70

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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.