Home / 157,470,700.80-236,206,051.20-147,904,762.80

Finding the Fourth Proportional to 157,470,700.80, 236,206,051.20 and 147,904,762.80

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Solution

The fourth proportional to 157,470,700.80, 236,206,051.20 and 147,904,762.80 is: 221,857,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470,700.80 : 236,206,051.20 = 147,904,762.80 : x
  2. Step 2: Convert to fraction form
    157,470,700.80/236,206,051.20 = 147,904,762.80/x
  3. Step 3: Cross multiply
    157,470,700.80x = 236,206,051.20 × 147,904,762.80
  4. Step 4: Simplify right side
    157,470,700.80x = 34,935,999,974,660,656
  5. Step 5: Solve for x
    x = 34,935,999,974,660,656/157,470,700.80
  6. Step 6: Final answer
    x = 221,857,144.20

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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.