Home / 434,733,930.80-651,927,685.80-143,520,009.20

Finding the Fourth Proportional to 434,733,930.80, 651,927,685.80 and 143,520,009.20

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Solution

The fourth proportional to 434,733,930.80, 651,927,685.80 and 143,520,009.20 is: 215,222,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,733,930.80 : 651,927,685.80 = 143,520,009.20 : x
  2. Step 2: Convert to fraction form
    434,733,930.80/651,927,685.80 = 143,520,009.20/x
  3. Step 3: Cross multiply
    434,733,930.80x = 651,927,685.80 × 143,520,009.20
  4. Step 4: Simplify right side
    434,733,930.80x = 93,564,667,463,750,688
  5. Step 5: Solve for x
    x = 93,564,667,463,750,688/434,733,930.80
  6. Step 6: Final answer
    x = 215,222,831.33

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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.