Home / 91,921,347.48-137,880,840.23-30,538,731.00

Finding the Fourth Proportional to 91,921,347.48, 137,880,840.23 and 30,538,731.00

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Solution

The fourth proportional to 91,921,347.48, 137,880,840.23 and 30,538,731.00 is: 45,807,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,921,347.48 : 137,880,840.23 = 30,538,731.00 : x
  2. Step 2: Convert to fraction form
    91,921,347.48/137,880,840.23 = 30,538,731.00/x
  3. Step 3: Cross multiply
    91,921,347.48x = 137,880,840.23 × 30,538,731.00
  4. Step 4: Simplify right side
    91,921,347.48x = 4,210,705,890,316,827.50
  5. Step 5: Solve for x
    x = 4,210,705,890,316,827.50/91,921,347.48
  6. Step 6: Final answer
    x = 45,807,704.15

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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.