Home / 191,264,869.80-286,897,295.10-181,971,742.76

Finding the Fourth Proportional to 191,264,869.80, 286,897,295.10 and 181,971,742.76

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Solution

The fourth proportional to 191,264,869.80, 286,897,295.10 and 181,971,742.76 is: 272,957,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,264,869.80 : 286,897,295.10 = 181,971,742.76 : x
  2. Step 2: Convert to fraction form
    191,264,869.80/286,897,295.10 = 181,971,742.76/x
  3. Step 3: Cross multiply
    191,264,869.80x = 286,897,295.10 × 181,971,742.76
  4. Step 4: Simplify right side
    191,264,869.80x = 52,207,200,782,477,008
  5. Step 5: Solve for x
    x = 52,207,200,782,477,008/191,264,869.80
  6. Step 6: Final answer
    x = 272,957,605.01

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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.