Home / 131,004,043.80-196,506,065.70-118,249,459.80

Finding the Fourth Proportional to 131,004,043.80, 196,506,065.70 and 118,249,459.80

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Solution

The fourth proportional to 131,004,043.80, 196,506,065.70 and 118,249,459.80 is: 177,374,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004,043.80 : 196,506,065.70 = 118,249,459.80 : x
  2. Step 2: Convert to fraction form
    131,004,043.80/196,506,065.70 = 118,249,459.80/x
  3. Step 3: Cross multiply
    131,004,043.80x = 196,506,065.70 × 118,249,459.80
  4. Step 4: Simplify right side
    131,004,043.80x = 23,236,736,116,448,308
  5. Step 5: Solve for x
    x = 23,236,736,116,448,308/131,004,043.80
  6. Step 6: Final answer
    x = 177,374,189.70

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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.