Home / 188,507,006.40-282,760,509.60-97,807,742.40

Finding the Fourth Proportional to 188,507,006.40, 282,760,509.60 and 97,807,742.40

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Solution

The fourth proportional to 188,507,006.40, 282,760,509.60 and 97,807,742.40 is: 146,711,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,507,006.40 : 282,760,509.60 = 97,807,742.40 : x
  2. Step 2: Convert to fraction form
    188,507,006.40/282,760,509.60 = 97,807,742.40/x
  3. Step 3: Cross multiply
    188,507,006.40x = 282,760,509.60 × 97,807,742.40
  4. Step 4: Simplify right side
    188,507,006.40x = 27,656,167,083,849,532
  5. Step 5: Solve for x
    x = 27,656,167,083,849,532/188,507,006.40
  6. Step 6: Final answer
    x = 146,711,613.60

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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.