Home / 249,868,015.30-374,802,022.95-147,579,400.90

Finding the Fourth Proportional to 249,868,015.30, 374,802,022.95 and 147,579,400.90

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Solution

The fourth proportional to 249,868,015.30, 374,802,022.95 and 147,579,400.90 is: 221,369,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,868,015.30 : 374,802,022.95 = 147,579,400.90 : x
  2. Step 2: Convert to fraction form
    249,868,015.30/374,802,022.95 = 147,579,400.90/x
  3. Step 3: Cross multiply
    249,868,015.30x = 374,802,022.95 × 147,579,400.90
  4. Step 4: Simplify right side
    249,868,015.30x = 55,313,058,003,069,048
  5. Step 5: Solve for x
    x = 55,313,058,003,069,048/249,868,015.30
  6. Step 6: Final answer
    x = 221,369,101.35

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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.