Home / 98,144,947.30-135,445,353.56-56,328,678.29

Finding the Fourth Proportional to 98,144,947.30, 135,445,353.56 and 56,328,678.29

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Solution

The fourth proportional to 98,144,947.30, 135,445,353.56 and 56,328,678.29 is: 77,736,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,144,947.30 : 135,445,353.56 = 56,328,678.29 : x
  2. Step 2: Convert to fraction form
    98,144,947.30/135,445,353.56 = 56,328,678.29/x
  3. Step 3: Cross multiply
    98,144,947.30x = 135,445,353.56 × 56,328,678.29
  4. Step 4: Simplify right side
    98,144,947.30x = 7,629,457,747,015,049
  5. Step 5: Solve for x
    x = 7,629,457,747,015,049/98,144,947.30
  6. Step 6: Final answer
    x = 77,736,632.98

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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.