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Finding the Fourth Proportional to 88,977,983.40, 124,748,335.80 and 88,977,983.40

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Solution

The fourth proportional to 88,977,983.40, 124,748,335.80 and 88,977,983.40 is: 124,748,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,977,983.40 : 124,748,335.80 = 88,977,983.40 : x
  2. Step 2: Convert to fraction form
    88,977,983.40/124,748,335.80 = 88,977,983.40/x
  3. Step 3: Cross multiply
    88,977,983.40x = 124,748,335.80 × 88,977,983.40
  4. Step 4: Simplify right side
    88,977,983.40x = 11,099,855,351,990,026
  5. Step 5: Solve for x
    x = 11,099,855,351,990,026/88,977,983.40
  6. Step 6: Final answer
    x = 124,748,335.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.