Home / 98,561,570.40-135,999,856.80-56,737,551.16

Finding the Fourth Proportional to 98,561,570.40, 135,999,856.80 and 56,737,551.16

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Solution

The fourth proportional to 98,561,570.40, 135,999,856.80 and 56,737,551.16 is: 78,289,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,561,570.40 : 135,999,856.80 = 56,737,551.16 : x
  2. Step 2: Convert to fraction form
    98,561,570.40/135,999,856.80 = 56,737,551.16/x
  3. Step 3: Cross multiply
    98,561,570.40x = 135,999,856.80 × 56,737,551.16
  4. Step 4: Simplify right side
    98,561,570.40x = 7,716,298,832,942,674
  5. Step 5: Solve for x
    x = 7,716,298,832,942,674/98,561,570.40
  6. Step 6: Final answer
    x = 78,289,122.24

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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.