Home / 339,557,643.60-509,336,465.40-97,220,547.60

Finding the Fourth Proportional to 339,557,643.60, 509,336,465.40 and 97,220,547.60

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Solution

The fourth proportional to 339,557,643.60, 509,336,465.40 and 97,220,547.60 is: 145,830,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,557,643.60 : 509,336,465.40 = 97,220,547.60 : x
  2. Step 2: Convert to fraction form
    339,557,643.60/509,336,465.40 = 97,220,547.60/x
  3. Step 3: Cross multiply
    339,557,643.60x = 509,336,465.40 × 97,220,547.60
  4. Step 4: Simplify right side
    339,557,643.60x = 49,517,970,078,836,448
  5. Step 5: Solve for x
    x = 49,517,970,078,836,448/339,557,643.60
  6. Step 6: Final answer
    x = 145,830,821.40

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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.