Home / 142,946,508,349.25-214,369,648,964.21-42,190,492,242.23

Finding the Fourth Proportional to 142,946,508,349.25, 214,369,648,964.21 and 42,190,492,242.23

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Solution

The fourth proportional to 142,946,508,349.25, 214,369,648,964.21 and 42,190,492,242.23 is: 63,270,947,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,946,508,349.25 : 214,369,648,964.21 = 42,190,492,242.23 : x
  2. Step 2: Convert to fraction form
    142,946,508,349.25/214,369,648,964.21 = 42,190,492,242.23/x
  3. Step 3: Cross multiply
    142,946,508,349.25x = 214,369,648,964.21 × 42,190,492,242.23
  4. Step 4: Simplify right side
    142,946,508,349.25x = 9,044,361,011,593,854,582,784
  5. Step 5: Solve for x
    x = 9,044,361,011,593,854,582,784/142,946,508,349.25
  6. Step 6: Final answer
    x = 63,270,947,405.70

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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.