Home / 104,976,813.40-157,465,220.10-28,307,591.80

Finding the Fourth Proportional to 104,976,813.40, 157,465,220.10 and 28,307,591.80

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Solution

The fourth proportional to 104,976,813.40, 157,465,220.10 and 28,307,591.80 is: 42,461,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,813.40 : 157,465,220.10 = 28,307,591.80 : x
  2. Step 2: Convert to fraction form
    104,976,813.40/157,465,220.10 = 28,307,591.80/x
  3. Step 3: Cross multiply
    104,976,813.40x = 157,465,220.10 × 28,307,591.80
  4. Step 4: Simplify right side
    104,976,813.40x = 4,457,461,173,287,955
  5. Step 5: Solve for x
    x = 4,457,461,173,287,955/104,976,813.40
  6. Step 6: Final answer
    x = 42,461,387.70

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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.