Home / 70,445,334.20-105,668,001.30-64,902,601.40

Finding the Fourth Proportional to 70,445,334.20, 105,668,001.30 and 64,902,601.40

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Solution

The fourth proportional to 70,445,334.20, 105,668,001.30 and 64,902,601.40 is: 97,353,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,445,334.20 : 105,668,001.30 = 64,902,601.40 : x
  2. Step 2: Convert to fraction form
    70,445,334.20/105,668,001.30 = 64,902,601.40/x
  3. Step 3: Cross multiply
    70,445,334.20x = 105,668,001.30 × 64,902,601.40
  4. Step 4: Simplify right side
    70,445,334.20x = 6,858,128,169,108,581
  5. Step 5: Solve for x
    x = 6,858,128,169,108,581/70,445,334.20
  6. Step 6: Final answer
    x = 97,353,902.10

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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.