Home / 99,547,374.80-149,328,060.60-56,437,230.80

Finding the Fourth Proportional to 99,547,374.80, 149,328,060.60 and 56,437,230.80

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Solution

The fourth proportional to 99,547,374.80, 149,328,060.60 and 56,437,230.80 is: 84,659,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,547,374.80 : 149,328,060.60 = 56,437,230.80 : x
  2. Step 2: Convert to fraction form
    99,547,374.80/149,328,060.60 = 56,437,230.80/x
  3. Step 3: Cross multiply
    99,547,374.80x = 149,328,060.60 × 56,437,230.80
  4. Step 4: Simplify right side
    99,547,374.80x = 8,427,662,220,998,586
  5. Step 5: Solve for x
    x = 8,427,662,220,998,586/99,547,374.80
  6. Step 6: Final answer
    x = 84,659,813.86

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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.