Home / 157,471,148.40-236,206,722.60-99,792,085.20

Finding the Fourth Proportional to 157,471,148.40, 236,206,722.60 and 99,792,085.20

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Solution

The fourth proportional to 157,471,148.40, 236,206,722.60 and 99,792,085.20 is: 149,688,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,471,148.40 : 236,206,722.60 = 99,792,085.20 : x
  2. Step 2: Convert to fraction form
    157,471,148.40/236,206,722.60 = 99,792,085.20/x
  3. Step 3: Cross multiply
    157,471,148.40x = 236,206,722.60 × 99,792,085.20
  4. Step 4: Simplify right side
    157,471,148.40x = 23,571,561,386,511,964
  5. Step 5: Solve for x
    x = 23,571,561,386,511,964/157,471,148.40
  6. Step 6: Final answer
    x = 149,688,127.80

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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.