Home / 157,465,352.40-236,114,047.80-66,486,152.40

Finding the Fourth Proportional to 157,465,352.40, 236,114,047.80 and 66,486,152.40

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Solution

The fourth proportional to 157,465,352.40, 236,114,047.80 and 66,486,152.40 is: 99,693,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,352.40 : 236,114,047.80 = 66,486,152.40 : x
  2. Step 2: Convert to fraction form
    157,465,352.40/236,114,047.80 = 66,486,152.40/x
  3. Step 3: Cross multiply
    157,465,352.40x = 236,114,047.80 × 66,486,152.40
  4. Step 4: Simplify right side
    157,465,352.40x = 15,698,314,565,811,686
  5. Step 5: Solve for x
    x = 15,698,314,565,811,686/157,465,352.40
  6. Step 6: Final answer
    x = 99,693,769.62

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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.