Home / 307,918,281.40-461,946,356.42-103,440,779.80

Finding the Fourth Proportional to 307,918,281.40, 461,946,356.42 and 103,440,779.80

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Solution

The fourth proportional to 307,918,281.40, 461,946,356.42 and 103,440,779.80 is: 155,184,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,918,281.40 : 461,946,356.42 = 103,440,779.80 : x
  2. Step 2: Convert to fraction form
    307,918,281.40/461,946,356.42 = 103,440,779.80/x
  3. Step 3: Cross multiply
    307,918,281.40x = 461,946,356.42 × 103,440,779.80
  4. Step 4: Simplify right side
    307,918,281.40x = 47,784,091,333,853,536
  5. Step 5: Solve for x
    x = 47,784,091,333,853,536/307,918,281.40
  6. Step 6: Final answer
    x = 155,184,327.21

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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.