Home / 74,976,008.80-112,240,064.40-44,668,271.20

Finding the Fourth Proportional to 74,976,008.80, 112,240,064.40 and 44,668,271.20

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Solution

The fourth proportional to 74,976,008.80, 112,240,064.40 and 44,668,271.20 is: 66,868,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976,008.80 : 112,240,064.40 = 44,668,271.20 : x
  2. Step 2: Convert to fraction form
    74,976,008.80/112,240,064.40 = 44,668,271.20/x
  3. Step 3: Cross multiply
    74,976,008.80x = 112,240,064.40 × 44,668,271.20
  4. Step 4: Simplify right side
    74,976,008.80x = 5,013,569,636,124,666
  5. Step 5: Solve for x
    x = 5,013,569,636,124,666/74,976,008.80
  6. Step 6: Final answer
    x = 66,868,985.38

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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.