Home / 142,116,000.40-213,174,000.60-133,506,656.20

Finding the Fourth Proportional to 142,116,000.40, 213,174,000.60 and 133,506,656.20

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Solution

The fourth proportional to 142,116,000.40, 213,174,000.60 and 133,506,656.20 is: 200,259,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,116,000.40 : 213,174,000.60 = 133,506,656.20 : x
  2. Step 2: Convert to fraction form
    142,116,000.40/213,174,000.60 = 133,506,656.20/x
  3. Step 3: Cross multiply
    142,116,000.40x = 213,174,000.60 × 133,506,656.20
  4. Step 4: Simplify right side
    142,116,000.40x = 28,460,148,008,882,792
  5. Step 5: Solve for x
    x = 28,460,148,008,882,792/142,116,000.40
  6. Step 6: Final answer
    x = 200,259,984.30

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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.