Home / 83,010,030.60-124,550,475.30-39,857,021.40

Finding the Fourth Proportional to 83,010,030.60, 124,550,475.30 and 39,857,021.40

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Solution

The fourth proportional to 83,010,030.60, 124,550,475.30 and 39,857,021.40 is: 59,802,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,010,030.60 : 124,550,475.30 = 39,857,021.40 : x
  2. Step 2: Convert to fraction form
    83,010,030.60/124,550,475.30 = 39,857,021.40/x
  3. Step 3: Cross multiply
    83,010,030.60x = 124,550,475.30 × 39,857,021.40
  4. Step 4: Simplify right side
    83,010,030.60x = 4,964,210,959,412,271
  5. Step 5: Solve for x
    x = 4,964,210,959,412,271/83,010,030.60
  6. Step 6: Final answer
    x = 59,802,543.42

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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.