Home / 142,720,142,800.65-214,174,528,373.76-67,194,892,240.32

Finding the Fourth Proportional to 142,720,142,800.65, 214,174,528,373.76 and 67,194,892,240.32

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Solution

The fourth proportional to 142,720,142,800.65, 214,174,528,373.76 and 67,194,892,240.32 is: 100,836,742,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,720,142,800.65 : 214,174,528,373.76 = 67,194,892,240.32 : x
  2. Step 2: Convert to fraction form
    142,720,142,800.65/214,174,528,373.76 = 67,194,892,240.32/x
  3. Step 3: Cross multiply
    142,720,142,800.65x = 214,174,528,373.76 × 67,194,892,240.32
  4. Step 4: Simplify right side
    142,720,142,800.65x = 14,391,434,354,696,162,115,584
  5. Step 5: Solve for x
    x = 14,391,434,354,696,162,115,584/142,720,142,800.65
  6. Step 6: Final answer
    x = 100,836,742,959.25

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1.5x scale

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.