Home / 130,700,538,029.29-180,364,909,056.58-72,831,356,918.19

Finding the Fourth Proportional to 130,700,538,029.29, 180,364,909,056.58 and 72,831,356,918.19

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Solution

The fourth proportional to 130,700,538,029.29, 180,364,909,056.58 and 72,831,356,918.19 is: 100,506,250,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,700,538,029.29 : 180,364,909,056.58 = 72,831,356,918.19 : x
  2. Step 2: Convert to fraction form
    130,700,538,029.29/180,364,909,056.58 = 72,831,356,918.19/x
  3. Step 3: Cross multiply
    130,700,538,029.29x = 180,364,909,056.58 × 72,831,356,918.19
  4. Step 4: Simplify right side
    130,700,538,029.29x = 13,136,221,067,016,656,650,240
  5. Step 5: Solve for x
    x = 13,136,221,067,016,656,650,240/130,700,538,029.29
  6. Step 6: Final answer
    x = 100,506,250,892.96

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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.