Home / 119,792,000.80-179,688,001.20-39,021,133.60

Finding the Fourth Proportional to 119,792,000.80, 179,688,001.20 and 39,021,133.60

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Solution

The fourth proportional to 119,792,000.80, 179,688,001.20 and 39,021,133.60 is: 58,531,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,792,000.80 : 179,688,001.20 = 39,021,133.60 : x
  2. Step 2: Convert to fraction form
    119,792,000.80/179,688,001.20 = 39,021,133.60/x
  3. Step 3: Cross multiply
    119,792,000.80x = 179,688,001.20 × 39,021,133.60
  4. Step 4: Simplify right side
    119,792,000.80x = 7,011,629,501,142,160
  5. Step 5: Solve for x
    x = 7,011,629,501,142,160/119,792,000.80
  6. Step 6: Final answer
    x = 58,531,700.40

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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.