Home / 56,742,809.10-85,114,213.65-39,424,101.90

Finding the Fourth Proportional to 56,742,809.10, 85,114,213.65 and 39,424,101.90

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Solution

The fourth proportional to 56,742,809.10, 85,114,213.65 and 39,424,101.90 is: 59,136,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742,809.10 : 85,114,213.65 = 39,424,101.90 : x
  2. Step 2: Convert to fraction form
    56,742,809.10/85,114,213.65 = 39,424,101.90/x
  3. Step 3: Cross multiply
    56,742,809.10x = 85,114,213.65 × 39,424,101.90
  4. Step 4: Simplify right side
    56,742,809.10x = 3,355,551,432,075,971
  5. Step 5: Solve for x
    x = 3,355,551,432,075,971/56,742,809.10
  6. Step 6: Final answer
    x = 59,136,152.85

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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.