Home / 144,350,239.20-216,525,358.80-42,124,610.40

Finding the Fourth Proportional to 144,350,239.20, 216,525,358.80 and 42,124,610.40

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Solution

The fourth proportional to 144,350,239.20, 216,525,358.80 and 42,124,610.40 is: 63,186,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,350,239.20 : 216,525,358.80 = 42,124,610.40 : x
  2. Step 2: Convert to fraction form
    144,350,239.20/216,525,358.80 = 42,124,610.40/x
  3. Step 3: Cross multiply
    144,350,239.20x = 216,525,358.80 × 42,124,610.40
  4. Step 4: Simplify right side
    144,350,239.20x = 9,121,046,381,170,212
  5. Step 5: Solve for x
    x = 9,121,046,381,170,212/144,350,239.20
  6. Step 6: Final answer
    x = 63,186,915.60

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1.5x scale

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.