Home / 145,997,452,688.73-201,473,818,038.95-80,891,642,516.91

Finding the Fourth Proportional to 145,997,452,688.73, 201,473,818,038.95 and 80,891,642,516.91

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Solution

The fourth proportional to 145,997,452,688.73, 201,473,818,038.95 and 80,891,642,516.91 is: 111,628,989,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,997,452,688.73 : 201,473,818,038.95 = 80,891,642,516.91 : x
  2. Step 2: Convert to fraction form
    145,997,452,688.73/201,473,818,038.95 = 80,891,642,516.91/x
  3. Step 3: Cross multiply
    145,997,452,688.73x = 201,473,818,038.95 × 80,891,642,516.91
  4. Step 4: Simplify right side
    145,997,452,688.73x = 16,297,548,065,323,719,065,600
  5. Step 5: Solve for x
    x = 16,297,548,065,323,719,065,600/145,997,452,688.73
  6. Step 6: Final answer
    x = 111,628,989,171.96

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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.