Home / 112,334,465.80-168,501,698.70-99,579,881.80

Finding the Fourth Proportional to 112,334,465.80, 168,501,698.70 and 99,579,881.80

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Solution

The fourth proportional to 112,334,465.80, 168,501,698.70 and 99,579,881.80 is: 149,369,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,465.80 : 168,501,698.70 = 99,579,881.80 : x
  2. Step 2: Convert to fraction form
    112,334,465.80/168,501,698.70 = 99,579,881.80/x
  3. Step 3: Cross multiply
    112,334,465.80x = 168,501,698.70 × 99,579,881.80
  4. Step 4: Simplify right side
    112,334,465.80x = 16,779,379,239,645,212
  5. Step 5: Solve for x
    x = 16,779,379,239,645,212/112,334,465.80
  6. Step 6: Final answer
    x = 149,369,822.70

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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.