Home / 314,864,436.80-472,385,128.80-153,311,643.20

Finding the Fourth Proportional to 314,864,436.80, 472,385,128.80 and 153,311,643.20

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Solution

The fourth proportional to 314,864,436.80, 472,385,128.80 and 153,311,643.20 is: 230,010,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,864,436.80 : 472,385,128.80 = 153,311,643.20 : x
  2. Step 2: Convert to fraction form
    314,864,436.80/472,385,128.80 = 153,311,643.20/x
  3. Step 3: Cross multiply
    314,864,436.80x = 472,385,128.80 × 153,311,643.20
  4. Step 4: Simplify right side
    314,864,436.80x = 72,422,140,319,571,648
  5. Step 5: Solve for x
    x = 72,422,140,319,571,648/314,864,436.80
  6. Step 6: Final answer
    x = 230,010,543.76

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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.