Home / 105,079,611.33-157,482,681.63-42,758,281.83

Finding the Fourth Proportional to 105,079,611.33, 157,482,681.63 and 42,758,281.83

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Solution

The fourth proportional to 105,079,611.33, 157,482,681.63 and 42,758,281.83 is: 64,081,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079,611.33 : 157,482,681.63 = 42,758,281.83 : x
  2. Step 2: Convert to fraction form
    105,079,611.33/157,482,681.63 = 42,758,281.83/x
  3. Step 3: Cross multiply
    105,079,611.33x = 157,482,681.63 × 42,758,281.83
  4. Step 4: Simplify right side
    105,079,611.33x = 6,733,688,884,479,703
  5. Step 5: Solve for x
    x = 6,733,688,884,479,703/105,079,611.33
  6. Step 6: Final answer
    x = 64,081,783.32

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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.