Home / 157,464,813.40-236,197,220.10-66,588,402.40

Finding the Fourth Proportional to 157,464,813.40, 236,197,220.10 and 66,588,402.40

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Solution

The fourth proportional to 157,464,813.40, 236,197,220.10 and 66,588,402.40 is: 99,882,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,813.40 : 236,197,220.10 = 66,588,402.40 : x
  2. Step 2: Convert to fraction form
    157,464,813.40/236,197,220.10 = 66,588,402.40/x
  3. Step 3: Cross multiply
    157,464,813.40x = 236,197,220.10 × 66,588,402.40
  4. Step 4: Simplify right side
    157,464,813.40x = 15,727,995,537,780,168
  5. Step 5: Solve for x
    x = 15,727,995,537,780,168/157,464,813.40
  6. Step 6: Final answer
    x = 99,882,603.60

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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.