Home / 105,079,608.69-157,482,677.70-42,758,279.19

Finding the Fourth Proportional to 105,079,608.69, 157,482,677.70 and 42,758,279.19

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Solution

The fourth proportional to 105,079,608.69, 157,482,677.70 and 42,758,279.19 is: 64,081,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079,608.69 : 157,482,677.70 = 42,758,279.19 : x
  2. Step 2: Convert to fraction form
    105,079,608.69/157,482,677.70 = 42,758,279.19/x
  3. Step 3: Cross multiply
    105,079,608.69x = 157,482,677.70 × 42,758,279.19
  4. Step 4: Simplify right side
    105,079,608.69x = 6,733,688,300,685,386
  5. Step 5: Solve for x
    x = 6,733,688,300,685,386/105,079,608.69
  6. Step 6: Final answer
    x = 64,081,779.37

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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.