Home / 111,116,349.32-153,326,020.44-64,075,160.24

Finding the Fourth Proportional to 111,116,349.32, 153,326,020.44 and 64,075,160.24

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Solution

The fourth proportional to 111,116,349.32, 153,326,020.44 and 64,075,160.24 is: 88,415,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116,349.32 : 153,326,020.44 = 64,075,160.24 : x
  2. Step 2: Convert to fraction form
    111,116,349.32/153,326,020.44 = 64,075,160.24/x
  3. Step 3: Cross multiply
    111,116,349.32x = 153,326,020.44 × 64,075,160.24
  4. Step 4: Simplify right side
    111,116,349.32x = 9,824,389,328,654,516
  5. Step 5: Solve for x
    x = 9,824,389,328,654,516/111,116,349.32
  6. Step 6: Final answer
    x = 88,415,335.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.