Home / 99,807,219.40-149,710,829.10-54,457,587.40

Finding the Fourth Proportional to 99,807,219.40, 149,710,829.10 and 54,457,587.40

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Solution

The fourth proportional to 99,807,219.40, 149,710,829.10 and 54,457,587.40 is: 81,686,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,807,219.40 : 149,710,829.10 = 54,457,587.40 : x
  2. Step 2: Convert to fraction form
    99,807,219.40/149,710,829.10 = 54,457,587.40/x
  3. Step 3: Cross multiply
    99,807,219.40x = 149,710,829.10 × 54,457,587.40
  4. Step 4: Simplify right side
    99,807,219.40x = 8,152,890,560,439,713
  5. Step 5: Solve for x
    x = 8,152,890,560,439,713/99,807,219.40
  6. Step 6: Final answer
    x = 81,686,381.10

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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.