Home / 112,333,017.80-168,499,526.70-99,578,433.80

Finding the Fourth Proportional to 112,333,017.80, 168,499,526.70 and 99,578,433.80

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Solution

The fourth proportional to 112,333,017.80, 168,499,526.70 and 99,578,433.80 is: 149,367,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,333,017.80 : 168,499,526.70 = 99,578,433.80 : x
  2. Step 2: Convert to fraction form
    112,333,017.80/168,499,526.70 = 99,578,433.80/x
  3. Step 3: Cross multiply
    112,333,017.80x = 168,499,526.70 × 99,578,433.80
  4. Step 4: Simplify right side
    112,333,017.80x = 16,778,918,964,827,280
  5. Step 5: Solve for x
    x = 16,778,918,964,827,280/112,333,017.80
  6. Step 6: Final answer
    x = 149,367,650.70

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1.5x scale

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.