Home / 130,011,763.32-194,880,145.86-48,077,995.32

Finding the Fourth Proportional to 130,011,763.32, 194,880,145.86 and 48,077,995.32

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Solution

The fourth proportional to 130,011,763.32, 194,880,145.86 and 48,077,995.32 is: 72,066,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,011,763.32 : 194,880,145.86 = 48,077,995.32 : x
  2. Step 2: Convert to fraction form
    130,011,763.32/194,880,145.86 = 48,077,995.32/x
  3. Step 3: Cross multiply
    130,011,763.32x = 194,880,145.86 × 48,077,995.32
  4. Step 4: Simplify right side
    130,011,763.32x = 9,369,446,740,617,998
  5. Step 5: Solve for x
    x = 9,369,446,740,617,998/130,011,763.32
  6. Step 6: Final answer
    x = 72,066,146.18

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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.