Home / 145,430,911.78-200,704,492.65-83,575,907.62

Finding the Fourth Proportional to 145,430,911.78, 200,704,492.65 and 83,575,907.62

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Solution

The fourth proportional to 145,430,911.78, 200,704,492.65 and 83,575,907.62 is: 115,340,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,430,911.78 : 200,704,492.65 = 83,575,907.62 : x
  2. Step 2: Convert to fraction form
    145,430,911.78/200,704,492.65 = 83,575,907.62/x
  3. Step 3: Cross multiply
    145,430,911.78x = 200,704,492.65 × 83,575,907.62
  4. Step 4: Simplify right side
    145,430,911.78x = 16,774,060,136,635,370
  5. Step 5: Solve for x
    x = 16,774,060,136,635,370/145,430,911.78
  6. Step 6: Final answer
    x = 115,340,404.12

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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.