Home / 249,868,004.80-374,802,007.20-147,579,390.40

Finding the Fourth Proportional to 249,868,004.80, 374,802,007.20 and 147,579,390.40

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Solution

The fourth proportional to 249,868,004.80, 374,802,007.20 and 147,579,390.40 is: 221,369,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,868,004.80 : 374,802,007.20 = 147,579,390.40 : x
  2. Step 2: Convert to fraction form
    249,868,004.80/374,802,007.20 = 147,579,390.40/x
  3. Step 3: Cross multiply
    249,868,004.80x = 374,802,007.20 × 147,579,390.40
  4. Step 4: Simplify right side
    249,868,004.80x = 55,313,051,743,272,408
  5. Step 5: Solve for x
    x = 55,313,051,743,272,408/249,868,004.80
  6. Step 6: Final answer
    x = 221,369,085.60

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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.