Home / 249,421,866.66-344,195,054.64-137,910,782.58

Finding the Fourth Proportional to 249,421,866.66, 344,195,054.64 and 137,910,782.58

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Solution

The fourth proportional to 249,421,866.66, 344,195,054.64 and 137,910,782.58 is: 190,312,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,421,866.66 : 344,195,054.64 = 137,910,782.58 : x
  2. Step 2: Convert to fraction form
    249,421,866.66/344,195,054.64 = 137,910,782.58/x
  3. Step 3: Cross multiply
    249,421,866.66x = 344,195,054.64 × 137,910,782.58
  4. Step 4: Simplify right side
    249,421,866.66x = 47,468,209,345,568,264
  5. Step 5: Solve for x
    x = 47,468,209,345,568,264/249,421,866.66
  6. Step 6: Final answer
    x = 190,312,942.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.