Home / 212,183,901.02-292,655,945.40-187,360,292

Finding the Fourth Proportional to 212,183,901.02, 292,655,945.40 and 187,360,292

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Solution

The fourth proportional to 212,183,901.02, 292,655,945.40 and 187,360,292 is: 258,417,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,183,901.02 : 292,655,945.40 = 187,360,292 : x
  2. Step 2: Convert to fraction form
    212,183,901.02/292,655,945.40 = 187,360,292/x
  3. Step 3: Cross multiply
    212,183,901.02x = 292,655,945.40 × 187,360,292
  4. Step 4: Simplify right side
    212,183,901.02x = 54,832,103,385,680,056
  5. Step 5: Solve for x
    x = 54,832,103,385,680,056/212,183,901.02
  6. Step 6: Final answer
    x = 258,417,830.58

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1.5x scale

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.