Home / 153,249,012.64-229,945,264.50-66,976,209.28

Finding the Fourth Proportional to 153,249,012.64, 229,945,264.50 and 66,976,209.28

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Solution

The fourth proportional to 153,249,012.64, 229,945,264.50 and 66,976,209.28 is: 100,495,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,249,012.64 : 229,945,264.50 = 66,976,209.28 : x
  2. Step 2: Convert to fraction form
    153,249,012.64/229,945,264.50 = 66,976,209.28/x
  3. Step 3: Cross multiply
    153,249,012.64x = 229,945,264.50 × 66,976,209.28
  4. Step 4: Simplify right side
    153,249,012.64x = 15,400,862,158,096,954
  5. Step 5: Solve for x
    x = 15,400,862,158,096,954/153,249,012.64
  6. Step 6: Final answer
    x = 100,495,669.71

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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.