Home / 83,016,804.80-124,578,351.30-48,473,139.80

Finding the Fourth Proportional to 83,016,804.80, 124,578,351.30 and 48,473,139.80

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Solution

The fourth proportional to 83,016,804.80, 124,578,351.30 and 48,473,139.80 is: 72,740,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016,804.80 : 124,578,351.30 = 48,473,139.80 : x
  2. Step 2: Convert to fraction form
    83,016,804.80/124,578,351.30 = 48,473,139.80/x
  3. Step 3: Cross multiply
    83,016,804.80x = 124,578,351.30 × 48,473,139.80
  4. Step 4: Simplify right side
    83,016,804.80x = 6,038,703,838,618,411
  5. Step 5: Solve for x
    x = 6,038,703,838,618,411/83,016,804.80
  6. Step 6: Final answer
    x = 72,740,740.30

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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.