Home / 49,780,841.40-74,671,262.10-39,703,145.40

Finding the Fourth Proportional to 49,780,841.40, 74,671,262.10 and 39,703,145.40

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Solution

The fourth proportional to 49,780,841.40, 74,671,262.10 and 39,703,145.40 is: 59,554,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780,841.40 : 74,671,262.10 = 39,703,145.40 : x
  2. Step 2: Convert to fraction form
    49,780,841.40/74,671,262.10 = 39,703,145.40/x
  3. Step 3: Cross multiply
    49,780,841.40x = 74,671,262.10 × 39,703,145.40
  4. Step 4: Simplify right side
    49,780,841.40x = 2,964,683,976,357,809
  5. Step 5: Solve for x
    x = 2,964,683,976,357,809/49,780,841.40
  6. Step 6: Final answer
    x = 59,554,718.10

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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.