Home / 112,662,683.45-155,550,424.14-70,340,746.25

Finding the Fourth Proportional to 112,662,683.45, 155,550,424.14 and 70,340,746.25

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Solution

The fourth proportional to 112,662,683.45, 155,550,424.14 and 70,340,746.25 is: 97,117,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,662,683.45 : 155,550,424.14 = 70,340,746.25 : x
  2. Step 2: Convert to fraction form
    112,662,683.45/155,550,424.14 = 70,340,746.25/x
  3. Step 3: Cross multiply
    112,662,683.45x = 155,550,424.14 × 70,340,746.25
  4. Step 4: Simplify right side
    112,662,683.45x = 10,941,532,912,733,862
  5. Step 5: Solve for x
    x = 10,941,532,912,733,862/112,662,683.45
  6. Step 6: Final answer
    x = 97,117,630.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.