Home / 220,103,812.80-303,423,118.56-153,818,510.40

Finding the Fourth Proportional to 220,103,812.80, 303,423,118.56 and 153,818,510.40

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Solution

The fourth proportional to 220,103,812.80, 303,423,118.56 and 153,818,510.40 is: 212,045,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,103,812.80 : 303,423,118.56 = 153,818,510.40 : x
  2. Step 2: Convert to fraction form
    220,103,812.80/303,423,118.56 = 153,818,510.40/x
  3. Step 3: Cross multiply
    220,103,812.80x = 303,423,118.56 × 153,818,510.40
  4. Step 4: Simplify right side
    220,103,812.80x = 46,672,092,117,821,792
  5. Step 5: Solve for x
    x = 46,672,092,117,821,792/220,103,812.80
  6. Step 6: Final answer
    x = 212,045,813.86

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1.5x scale

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.