Home / 190,691,305,280.66-285,937,637,913.16-89,935,119,762.55

Finding the Fourth Proportional to 190,691,305,280.66, 285,937,637,913.16 and 89,935,119,762.55

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Solution

The fourth proportional to 190,691,305,280.66, 285,937,637,913.16 and 89,935,119,762.55 is: 134,855,837,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,691,305,280.66 : 285,937,637,913.16 = 89,935,119,762.55 : x
  2. Step 2: Convert to fraction form
    190,691,305,280.66/285,937,637,913.16 = 89,935,119,762.55/x
  3. Step 3: Cross multiply
    190,691,305,280.66x = 285,937,637,913.16 × 89,935,119,762.55
  4. Step 4: Simplify right side
    190,691,305,280.66x = 25,715,835,710,340,700,569,600
  5. Step 5: Solve for x
    x = 25,715,835,710,340,700,569,600/190,691,305,280.66
  6. Step 6: Final answer
    x = 134,855,837,671.74

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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.