Home / 111,158,054.37-153,402,992.84-61,598,312.51

Finding the Fourth Proportional to 111,158,054.37, 153,402,992.84 and 61,598,312.51

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Solution

The fourth proportional to 111,158,054.37, 153,402,992.84 and 61,598,312.51 is: 85,008,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,158,054.37 : 153,402,992.84 = 61,598,312.51 : x
  2. Step 2: Convert to fraction form
    111,158,054.37/153,402,992.84 = 61,598,312.51/x
  3. Step 3: Cross multiply
    111,158,054.37x = 153,402,992.84 × 61,598,312.51
  4. Step 4: Simplify right side
    111,158,054.37x = 9,449,365,492,314,594
  5. Step 5: Solve for x
    x = 9,449,365,492,314,594/111,158,054.37
  6. Step 6: Final answer
    x = 85,008,374.30

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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.