Home / 142,116,002.40-213,174,003.60-133,506,658.20

Finding the Fourth Proportional to 142,116,002.40, 213,174,003.60 and 133,506,658.20

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Solution

The fourth proportional to 142,116,002.40, 213,174,003.60 and 133,506,658.20 is: 200,259,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,116,002.40 : 213,174,003.60 = 133,506,658.20 : x
  2. Step 2: Convert to fraction form
    142,116,002.40/213,174,003.60 = 133,506,658.20/x
  3. Step 3: Cross multiply
    142,116,002.40x = 213,174,003.60 × 133,506,658.20
  4. Step 4: Simplify right side
    142,116,002.40x = 28,460,148,835,750,768
  5. Step 5: Solve for x
    x = 28,460,148,835,750,768/142,116,002.40
  6. Step 6: Final answer
    x = 200,259,987.30

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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.