Home / 136,486,912.50-204,730,368.75-45,610,501.50

Finding the Fourth Proportional to 136,486,912.50, 204,730,368.75 and 45,610,501.50

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Solution

The fourth proportional to 136,486,912.50, 204,730,368.75 and 45,610,501.50 is: 68,415,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,486,912.50 : 204,730,368.75 = 45,610,501.50 : x
  2. Step 2: Convert to fraction form
    136,486,912.50/204,730,368.75 = 45,610,501.50/x
  3. Step 3: Cross multiply
    136,486,912.50x = 204,730,368.75 × 45,610,501.50
  4. Step 4: Simplify right side
    136,486,912.50x = 9,337,854,790,967,428
  5. Step 5: Solve for x
    x = 9,337,854,790,967,428/136,486,912.50
  6. Step 6: Final answer
    x = 68,415,752.25

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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.