Home / 105,079,609.83-157,482,679.39-42,758,280.32

Finding the Fourth Proportional to 105,079,609.83, 157,482,679.39 and 42,758,280.32

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Solution

The fourth proportional to 105,079,609.83, 157,482,679.39 and 42,758,280.32 is: 64,081,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079,609.83 : 157,482,679.39 = 42,758,280.32 : x
  2. Step 2: Convert to fraction form
    105,079,609.83/157,482,679.39 = 42,758,280.32/x
  3. Step 3: Cross multiply
    105,079,609.83x = 157,482,679.39 × 42,758,280.32
  4. Step 4: Simplify right side
    105,079,609.83x = 6,733,688,551,189,117
  5. Step 5: Solve for x
    x = 6,733,688,551,189,117/105,079,609.83
  6. Step 6: Final answer
    x = 64,081,781.06

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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.