Home / 99,774,673.60-149,662,010.40-66,896,190.40

Finding the Fourth Proportional to 99,774,673.60, 149,662,010.40 and 66,896,190.40

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Solution

The fourth proportional to 99,774,673.60, 149,662,010.40 and 66,896,190.40 is: 100,344,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,774,673.60 : 149,662,010.40 = 66,896,190.40 : x
  2. Step 2: Convert to fraction form
    99,774,673.60/149,662,010.40 = 66,896,190.40/x
  3. Step 3: Cross multiply
    99,774,673.60x = 149,662,010.40 × 66,896,190.40
  4. Step 4: Simplify right side
    99,774,673.60x = 10,011,818,343,365,180
  5. Step 5: Solve for x
    x = 10,011,818,343,365,180/99,774,673.60
  6. Step 6: Final answer
    x = 100,344,285.60

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1.5x scale

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.