Home / 76,355,456.31-105,369,643.76-41,547,547.11

Finding the Fourth Proportional to 76,355,456.31, 105,369,643.76 and 41,547,547.11

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Solution

The fourth proportional to 76,355,456.31, 105,369,643.76 and 41,547,547.11 is: 57,335,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355,456.31 : 105,369,643.76 = 41,547,547.11 : x
  2. Step 2: Convert to fraction form
    76,355,456.31/105,369,643.76 = 41,547,547.11/x
  3. Step 3: Cross multiply
    76,355,456.31x = 105,369,643.76 × 41,547,547.11
  4. Step 4: Simplify right side
    76,355,456.31x = 4,377,850,237,874,779.50
  5. Step 5: Solve for x
    x = 4,377,850,237,874,779.50/76,355,456.31
  6. Step 6: Final answer
    x = 57,335,132.94

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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.