Home / 112,768,000.80-169,152,001.20-67,418,368.80

Finding the Fourth Proportional to 112,768,000.80, 169,152,001.20 and 67,418,368.80

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Solution

The fourth proportional to 112,768,000.80, 169,152,001.20 and 67,418,368.80 is: 101,127,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,768,000.80 : 169,152,001.20 = 67,418,368.80 : x
  2. Step 2: Convert to fraction form
    112,768,000.80/169,152,001.20 = 67,418,368.80/x
  3. Step 3: Cross multiply
    112,768,000.80x = 169,152,001.20 × 67,418,368.80
  4. Step 4: Simplify right side
    112,768,000.80x = 11,403,952,000,159,642
  5. Step 5: Solve for x
    x = 11,403,952,000,159,642/112,768,000.80
  6. Step 6: Final answer
    x = 101,127,553.20

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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.