Home / 142,019,711.40-213,029,567.10-142,019,711.40

Finding the Fourth Proportional to 142,019,711.40, 213,029,567.10 and 142,019,711.40

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Solution

The fourth proportional to 142,019,711.40, 213,029,567.10 and 142,019,711.40 is: 213,029,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,019,711.40 : 213,029,567.10 = 142,019,711.40 : x
  2. Step 2: Convert to fraction form
    142,019,711.40/213,029,567.10 = 142,019,711.40/x
  3. Step 3: Cross multiply
    142,019,711.40x = 213,029,567.10 × 142,019,711.40
  4. Step 4: Simplify right side
    142,019,711.40x = 30,254,397,639,208,936
  5. Step 5: Solve for x
    x = 30,254,397,639,208,936/142,019,711.40
  6. Step 6: Final answer
    x = 213,029,567.10

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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.