Home / 30,281,132,601.20-45,421,698,901.80-20,363,168,082.80

Finding the Fourth Proportional to 30,281,132,601.20, 45,421,698,901.80 and 20,363,168,082.80

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Solution

The fourth proportional to 30,281,132,601.20, 45,421,698,901.80 and 20,363,168,082.80 is: 30,544,752,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,132,601.20 : 45,421,698,901.80 = 20,363,168,082.80 : x
  2. Step 2: Convert to fraction form
    30,281,132,601.20/45,421,698,901.80 = 20,363,168,082.80/x
  3. Step 3: Cross multiply
    30,281,132,601.20x = 45,421,698,901.80 × 20,363,168,082.80
  4. Step 4: Simplify right side
    30,281,132,601.20x = 924,929,689,343,685,558,272
  5. Step 5: Solve for x
    x = 924,929,689,343,685,558,272/30,281,132,601.20
  6. Step 6: Final answer
    x = 30,544,752,124.20

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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.