Home / 249,421,869.66-344,195,058.78-137,910,785.58

Finding the Fourth Proportional to 249,421,869.66, 344,195,058.78 and 137,910,785.58

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Solution

The fourth proportional to 249,421,869.66, 344,195,058.78 and 137,910,785.58 is: 190,312,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,421,869.66 : 344,195,058.78 = 137,910,785.58 : x
  2. Step 2: Convert to fraction form
    249,421,869.66/344,195,058.78 = 137,910,785.58/x
  3. Step 3: Cross multiply
    249,421,869.66x = 344,195,058.78 × 137,910,785.58
  4. Step 4: Simplify right side
    249,421,869.66x = 47,468,210,949,104,080
  5. Step 5: Solve for x
    x = 47,468,210,949,104,080/249,421,869.66
  6. Step 6: Final answer
    x = 190,312,946.55

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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.