Home / 131,574,913.60-181,575,530.40-72,035,216.32

Finding the Fourth Proportional to 131,574,913.60, 181,575,530.40 and 72,035,216.32

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Solution

The fourth proportional to 131,574,913.60, 181,575,530.40 and 72,035,216.32 is: 99,409,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,574,913.60 : 181,575,530.40 = 72,035,216.32 : x
  2. Step 2: Convert to fraction form
    131,574,913.60/181,575,530.40 = 72,035,216.32/x
  3. Step 3: Cross multiply
    131,574,913.60x = 181,575,530.40 × 72,035,216.32
  4. Step 4: Simplify right side
    131,574,913.60x = 13,079,832,610,782,736
  5. Step 5: Solve for x
    x = 13,079,832,610,782,736/131,574,913.60
  6. Step 6: Final answer
    x = 99,409,775.41

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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.