Home / 56,742,646.60-85,113,969.90-39,423,939.40

Finding the Fourth Proportional to 56,742,646.60, 85,113,969.90 and 39,423,939.40

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Solution

The fourth proportional to 56,742,646.60, 85,113,969.90 and 39,423,939.40 is: 59,135,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742,646.60 : 85,113,969.90 = 39,423,939.40 : x
  2. Step 2: Convert to fraction form
    56,742,646.60/85,113,969.90 = 39,423,939.40/x
  3. Step 3: Cross multiply
    56,742,646.60x = 85,113,969.90 × 39,423,939.40
  4. Step 4: Simplify right side
    56,742,646.60x = 3,355,527,991,431,024
  5. Step 5: Solve for x
    x = 3,355,527,991,431,024/56,742,646.60
  6. Step 6: Final answer
    x = 59,135,909.10

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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.