Home / 290,313,537.80-434,966,421.90-188,024,923.40

Finding the Fourth Proportional to 290,313,537.80, 434,966,421.90 and 188,024,923.40

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Solution

The fourth proportional to 290,313,537.80, 434,966,421.90 and 188,024,923.40 is: 281,711,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,313,537.80 : 434,966,421.90 = 188,024,923.40 : x
  2. Step 2: Convert to fraction form
    290,313,537.80/434,966,421.90 = 188,024,923.40/x
  3. Step 3: Cross multiply
    290,313,537.80x = 434,966,421.90 × 188,024,923.40
  4. Step 4: Simplify right side
    290,313,537.80x = 81,784,528,159,319,584
  5. Step 5: Solve for x
    x = 81,784,528,159,319,584/290,313,537.80
  6. Step 6: Final answer
    x = 281,711,038.28

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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.