Home / 112,596,428.80-168,695,577.60-99,856,230.40

Finding the Fourth Proportional to 112,596,428.80, 168,695,577.60 and 99,856,230.40

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Solution

The fourth proportional to 112,596,428.80, 168,695,577.60 and 99,856,230.40 is: 149,607,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,596,428.80 : 168,695,577.60 = 99,856,230.40 : x
  2. Step 2: Convert to fraction form
    112,596,428.80/168,695,577.60 = 99,856,230.40/x
  3. Step 3: Cross multiply
    112,596,428.80x = 168,695,577.60 × 99,856,230.40
  4. Step 4: Simplify right side
    112,596,428.80x = 16,845,304,464,286,680
  5. Step 5: Solve for x
    x = 16,845,304,464,286,680/112,596,428.80
  6. Step 6: Final answer
    x = 149,607,804.12

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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.