Home / 70,295,885.90-105,506,814.45-60,722,074.70

Finding the Fourth Proportional to 70,295,885.90, 105,506,814.45 and 60,722,074.70

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Solution

The fourth proportional to 70,295,885.90, 105,506,814.45 and 60,722,074.70 is: 91,137,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295,885.90 : 105,506,814.45 = 60,722,074.70 : x
  2. Step 2: Convert to fraction form
    70,295,885.90/105,506,814.45 = 60,722,074.70/x
  3. Step 3: Cross multiply
    70,295,885.90x = 105,506,814.45 × 60,722,074.70
  4. Step 4: Simplify right side
    70,295,885.90x = 6,406,592,668,391,940
  5. Step 5: Solve for x
    x = 6,406,592,668,391,940/70,295,885.90
  6. Step 6: Final answer
    x = 91,137,519.45

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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.