Home / 138,035,275,018.70-207,073,615,393.70-48,482,484,259.23

Finding the Fourth Proportional to 138,035,275,018.70, 207,073,615,393.70 and 48,482,484,259.23

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Solution

The fourth proportional to 138,035,275,018.70, 207,073,615,393.70 and 48,482,484,259.23 is: 72,730,997,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,035,275,018.70 : 207,073,615,393.70 = 48,482,484,259.23 : x
  2. Step 2: Convert to fraction form
    138,035,275,018.70/207,073,615,393.70 = 48,482,484,259.23/x
  3. Step 3: Cross multiply
    138,035,275,018.70x = 207,073,615,393.70 × 48,482,484,259.23
  4. Step 4: Simplify right side
    138,035,275,018.70x = 10,039,443,298,826,909,122,560
  5. Step 5: Solve for x
    x = 10,039,443,298,826,909,122,560/138,035,275,018.70
  6. Step 6: Final answer
    x = 72,730,997,909.53

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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.