Home / 112,334,487.80-168,501,731.70-99,579,903.80

Finding the Fourth Proportional to 112,334,487.80, 168,501,731.70 and 99,579,903.80

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Solution

The fourth proportional to 112,334,487.80, 168,501,731.70 and 99,579,903.80 is: 149,369,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,487.80 : 168,501,731.70 = 99,579,903.80 : x
  2. Step 2: Convert to fraction form
    112,334,487.80/168,501,731.70 = 99,579,903.80/x
  3. Step 3: Cross multiply
    112,334,487.80x = 168,501,731.70 × 99,579,903.80
  4. Step 4: Simplify right side
    112,334,487.80x = 16,779,386,232,819,408
  5. Step 5: Solve for x
    x = 16,779,386,232,819,408/112,334,487.80
  6. Step 6: Final answer
    x = 149,369,855.70

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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.