Home / 157,149,761,920.80-235,724,642,881.20-45,358,384,077.60

Finding the Fourth Proportional to 157,149,761,920.80, 235,724,642,881.20 and 45,358,384,077.60

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Solution

The fourth proportional to 157,149,761,920.80, 235,724,642,881.20 and 45,358,384,077.60 is: 68,037,576,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,149,761,920.80 : 235,724,642,881.20 = 45,358,384,077.60 : x
  2. Step 2: Convert to fraction form
    157,149,761,920.80/235,724,642,881.20 = 45,358,384,077.60/x
  3. Step 3: Cross multiply
    157,149,761,920.80x = 235,724,642,881.20 × 45,358,384,077.60
  4. Step 4: Simplify right side
    157,149,761,920.80x = 10,692,088,888,360,567,832,576
  5. Step 5: Solve for x
    x = 10,692,088,888,360,567,832,576/157,149,761,920.80
  6. Step 6: Final answer
    x = 68,037,576,116.40

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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.