Home / 98,658,002.80-147,987,004.20-47,545,188.40

Finding the Fourth Proportional to 98,658,002.80, 147,987,004.20 and 47,545,188.40

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Solution

The fourth proportional to 98,658,002.80, 147,987,004.20 and 47,545,188.40 is: 71,317,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,658,002.80 : 147,987,004.20 = 47,545,188.40 : x
  2. Step 2: Convert to fraction form
    98,658,002.80/147,987,004.20 = 47,545,188.40/x
  3. Step 3: Cross multiply
    98,658,002.80x = 147,987,004.20 × 47,545,188.40
  4. Step 4: Simplify right side
    98,658,002.80x = 7,036,069,995,440,590
  5. Step 5: Solve for x
    x = 7,036,069,995,440,590/98,658,002.80
  6. Step 6: Final answer
    x = 71,317,782.60

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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.