Home / 387,072,030.40-580,608,045.60-157,151,262.40

Finding the Fourth Proportional to 387,072,030.40, 580,608,045.60 and 157,151,262.40

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Solution

The fourth proportional to 387,072,030.40, 580,608,045.60 and 157,151,262.40 is: 235,726,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,030.40 : 580,608,045.60 = 157,151,262.40 : x
  2. Step 2: Convert to fraction form
    387,072,030.40/580,608,045.60 = 157,151,262.40/x
  3. Step 3: Cross multiply
    387,072,030.40x = 580,608,045.60 × 157,151,262.40
  4. Step 4: Simplify right side
    387,072,030.40x = 91,243,287,325,636,768
  5. Step 5: Solve for x
    x = 91,243,287,325,636,768/387,072,030.40
  6. Step 6: Final answer
    x = 235,726,893.60

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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.