Home / 315,157,000.41-472,752,741.86-130,943,102.15

Finding the Fourth Proportional to 315,157,000.41, 472,752,741.86 and 130,943,102.15

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Solution

The fourth proportional to 315,157,000.41, 472,752,741.86 and 130,943,102.15 is: 196,421,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,157,000.41 : 472,752,741.86 = 130,943,102.15 : x
  2. Step 2: Convert to fraction form
    315,157,000.41/472,752,741.86 = 130,943,102.15/x
  3. Step 3: Cross multiply
    315,157,000.41x = 472,752,741.86 × 130,943,102.15
  4. Step 4: Simplify right side
    315,157,000.41x = 61,903,710,566,048,080
  5. Step 5: Solve for x
    x = 61,903,710,566,048,080/315,157,000.41
  6. Step 6: Final answer
    x = 196,421,816.70

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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.