Home / 142,949,377,646.40-214,424,066,469.60-130,565,904,801.60

Finding the Fourth Proportional to 142,949,377,646.40, 214,424,066,469.60 and 130,565,904,801.60

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Solution

The fourth proportional to 142,949,377,646.40, 214,424,066,469.60 and 130,565,904,801.60 is: 195,848,857,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,949,377,646.40 : 214,424,066,469.60 = 130,565,904,801.60 : x
  2. Step 2: Convert to fraction form
    142,949,377,646.40/214,424,066,469.60 = 130,565,904,801.60/x
  3. Step 3: Cross multiply
    142,949,377,646.40x = 214,424,066,469.60 × 130,565,904,801.60
  4. Step 4: Simplify right side
    142,949,377,646.40x = 27,996,472,249,841,746,968,576
  5. Step 5: Solve for x
    x = 27,996,472,249,841,746,968,576/142,949,377,646.40
  6. Step 6: Final answer
    x = 195,848,857,202.40

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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.