Home / 140,316,726,946.92-210,487,463,688.72-39,588,475,976.16

Finding the Fourth Proportional to 140,316,726,946.92, 210,487,463,688.72 and 39,588,475,976.16

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Solution

The fourth proportional to 140,316,726,946.92, 210,487,463,688.72 and 39,588,475,976.16 is: 59,386,204,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,316,726,946.92 : 210,487,463,688.72 = 39,588,475,976.16 : x
  2. Step 2: Convert to fraction form
    140,316,726,946.92/210,487,463,688.72 = 39,588,475,976.16/x
  3. Step 3: Cross multiply
    140,316,726,946.92x = 210,487,463,688.72 × 39,588,475,976.16
  4. Step 4: Simplify right side
    140,316,726,946.92x = 8,332,877,899,523,743,023,104
  5. Step 5: Solve for x
    x = 8,332,877,899,523,743,023,104/140,316,726,946.92
  6. Step 6: Final answer
    x = 59,386,204,915.37

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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.