Home / 142,074,351,778.14-213,041,791,891.72-70,280,916,157.98

Finding the Fourth Proportional to 142,074,351,778.14, 213,041,791,891.72 and 70,280,916,157.98

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Solution

The fourth proportional to 142,074,351,778.14, 213,041,791,891.72 and 70,280,916,157.98 is: 105,386,877,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,074,351,778.14 : 213,041,791,891.72 = 70,280,916,157.98 : x
  2. Step 2: Convert to fraction form
    142,074,351,778.14/213,041,791,891.72 = 70,280,916,157.98/x
  3. Step 3: Cross multiply
    142,074,351,778.14x = 213,041,791,891.72 × 70,280,916,157.98
  4. Step 4: Simplify right side
    142,074,351,778.14x = 14,972,772,314,087,795,195,904
  5. Step 5: Solve for x
    x = 14,972,772,314,087,795,195,904/142,074,351,778.14
  6. Step 6: Final answer
    x = 105,386,877,551.76

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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.