Home / 191,069,518.53-286,229,720.25-99,013,642.98

Finding the Fourth Proportional to 191,069,518.53, 286,229,720.25 and 99,013,642.98

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Solution

The fourth proportional to 191,069,518.53, 286,229,720.25 and 99,013,642.98 is: 148,326,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,069,518.53 : 286,229,720.25 = 99,013,642.98 : x
  2. Step 2: Convert to fraction form
    191,069,518.53/286,229,720.25 = 99,013,642.98/x
  3. Step 3: Cross multiply
    191,069,518.53x = 286,229,720.25 × 99,013,642.98
  4. Step 4: Simplify right side
    191,069,518.53x = 28,340,647,331,098,776
  5. Step 5: Solve for x
    x = 28,340,647,331,098,776/191,069,518.53
  6. Step 6: Final answer
    x = 148,326,365.97

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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.