Home / 120,835,881.60-181,253,822.40-108,742,646.40

Finding the Fourth Proportional to 120,835,881.60, 181,253,822.40 and 108,742,646.40

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Solution

The fourth proportional to 120,835,881.60, 181,253,822.40 and 108,742,646.40 is: 163,113,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,835,881.60 : 181,253,822.40 = 108,742,646.40 : x
  2. Step 2: Convert to fraction form
    120,835,881.60/181,253,822.40 = 108,742,646.40/x
  3. Step 3: Cross multiply
    120,835,881.60x = 181,253,822.40 × 108,742,646.40
  4. Step 4: Simplify right side
    120,835,881.60x = 19,710,020,317,891,600
  5. Step 5: Solve for x
    x = 19,710,020,317,891,600/120,835,881.60
  6. Step 6: Final answer
    x = 163,113,969.60

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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.