Home / 131,004,094.30-196,506,141.45-118,249,510.30

Finding the Fourth Proportional to 131,004,094.30, 196,506,141.45 and 118,249,510.30

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Solution

The fourth proportional to 131,004,094.30, 196,506,141.45 and 118,249,510.30 is: 177,374,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004,094.30 : 196,506,141.45 = 118,249,510.30 : x
  2. Step 2: Convert to fraction form
    131,004,094.30/196,506,141.45 = 118,249,510.30/x
  3. Step 3: Cross multiply
    131,004,094.30x = 196,506,141.45 × 118,249,510.30
  4. Step 4: Simplify right side
    131,004,094.30x = 23,236,754,997,405,028
  5. Step 5: Solve for x
    x = 23,236,754,997,405,028/131,004,094.30
  6. Step 6: Final answer
    x = 177,374,265.45

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Similar ratio
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1.5x scale

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.