Home / 112,346,701.20-168,520,051.80-99,357,670.80

Finding the Fourth Proportional to 112,346,701.20, 168,520,051.80 and 99,357,670.80

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Solution

The fourth proportional to 112,346,701.20, 168,520,051.80 and 99,357,670.80 is: 149,036,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,346,701.20 : 168,520,051.80 = 99,357,670.80 : x
  2. Step 2: Convert to fraction form
    112,346,701.20/168,520,051.80 = 99,357,670.80/x
  3. Step 3: Cross multiply
    112,346,701.20x = 168,520,051.80 × 99,357,670.80
  4. Step 4: Simplify right side
    112,346,701.20x = 16,743,759,829,943,348
  5. Step 5: Solve for x
    x = 16,743,759,829,943,348/112,346,701.20
  6. Step 6: Final answer
    x = 149,036,506.20

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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.