Home / 249,709,795.66-344,596,979.91-138,200,853.34

Finding the Fourth Proportional to 249,709,795.66, 344,596,979.91 and 138,200,853.34

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Solution

The fourth proportional to 249,709,795.66, 344,596,979.91 and 138,200,853.34 is: 190,715,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,709,795.66 : 344,596,979.91 = 138,200,853.34 : x
  2. Step 2: Convert to fraction form
    249,709,795.66/344,596,979.91 = 138,200,853.34/x
  3. Step 3: Cross multiply
    249,709,795.66x = 344,596,979.91 × 138,200,853.34
  4. Step 4: Simplify right side
    249,709,795.66x = 47,623,596,681,948,840
  5. Step 5: Solve for x
    x = 47,623,596,681,948,840/249,709,795.66
  6. Step 6: Final answer
    x = 190,715,772.91

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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.