Home / 47,259,135.60-70,746,985.80-28,080,020.40

Finding the Fourth Proportional to 47,259,135.60, 70,746,985.80 and 28,080,020.40

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Solution

The fourth proportional to 47,259,135.60, 70,746,985.80 and 28,080,020.40 is: 42,035,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,259,135.60 : 70,746,985.80 = 28,080,020.40 : x
  2. Step 2: Convert to fraction form
    47,259,135.60/70,746,985.80 = 28,080,020.40/x
  3. Step 3: Cross multiply
    47,259,135.60x = 70,746,985.80 × 28,080,020.40
  4. Step 4: Simplify right side
    47,259,135.60x = 1,986,576,804,502,510.25
  5. Step 5: Solve for x
    x = 1,986,576,804,502,510.25/47,259,135.60
  6. Step 6: Final answer
    x = 42,035,826.07

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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.