Home / 142,720,142,811.40-214,174,528,389.90-67,194,892,251.16

Finding the Fourth Proportional to 142,720,142,811.40, 214,174,528,389.90 and 67,194,892,251.16

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Solution

The fourth proportional to 142,720,142,811.40, 214,174,528,389.90 and 67,194,892,251.16 is: 100,836,742,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,720,142,811.40 : 214,174,528,389.90 = 67,194,892,251.16 : x
  2. Step 2: Convert to fraction form
    142,720,142,811.40/214,174,528,389.90 = 67,194,892,251.16/x
  3. Step 3: Cross multiply
    142,720,142,811.40x = 214,174,528,389.90 × 67,194,892,251.16
  4. Step 4: Simplify right side
    142,720,142,811.40x = 14,391,434,358,102,339,616,768
  5. Step 5: Solve for x
    x = 14,391,434,358,102,339,616,768/142,720,142,811.40
  6. Step 6: Final answer
    x = 100,836,742,975.52

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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.