Home / 99,807,220.40-149,710,830.60-54,457,588.40

Finding the Fourth Proportional to 99,807,220.40, 149,710,830.60 and 54,457,588.40

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Solution

The fourth proportional to 99,807,220.40, 149,710,830.60 and 54,457,588.40 is: 81,686,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,807,220.40 : 149,710,830.60 = 54,457,588.40 : x
  2. Step 2: Convert to fraction form
    99,807,220.40/149,710,830.60 = 54,457,588.40/x
  3. Step 3: Cross multiply
    99,807,220.40x = 149,710,830.60 × 54,457,588.40
  4. Step 4: Simplify right side
    99,807,220.40x = 8,152,890,791,836,924
  5. Step 5: Solve for x
    x = 8,152,890,791,836,924/99,807,220.40
  6. Step 6: Final answer
    x = 81,686,382.60

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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.