Home / 98,505,753.47-135,931,462.00-56,683,068.56

Finding the Fourth Proportional to 98,505,753.47, 135,931,462.00 and 56,683,068.56

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Solution

The fourth proportional to 98,505,753.47, 135,931,462.00 and 56,683,068.56 is: 78,218,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,505,753.47 : 135,931,462.00 = 56,683,068.56 : x
  2. Step 2: Convert to fraction form
    98,505,753.47/135,931,462.00 = 56,683,068.56/x
  3. Step 3: Cross multiply
    98,505,753.47x = 135,931,462.00 × 56,683,068.56
  4. Step 4: Simplify right side
    98,505,753.47x = 7,705,012,379,185,670
  5. Step 5: Solve for x
    x = 7,705,012,379,185,670/98,505,753.47
  6. Step 6: Final answer
    x = 78,218,907.10

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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.