Home / 76,312,316.35-105,338,389.31-45,372,411.82

Finding the Fourth Proportional to 76,312,316.35, 105,338,389.31 and 45,372,411.82

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Solution

The fourth proportional to 76,312,316.35, 105,338,389.31 and 45,372,411.82 is: 62,630,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312,316.35 : 105,338,389.31 = 45,372,411.82 : x
  2. Step 2: Convert to fraction form
    76,312,316.35/105,338,389.31 = 45,372,411.82/x
  3. Step 3: Cross multiply
    76,312,316.35x = 105,338,389.31 × 45,372,411.82
  4. Step 4: Simplify right side
    76,312,316.35x = 4,779,456,780,228,806
  5. Step 5: Solve for x
    x = 4,779,456,780,228,806/76,312,316.35
  6. Step 6: Final answer
    x = 62,630,215.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.