Home / 105,073,218.40-157,609,827.60-64,762,434.40

Finding the Fourth Proportional to 105,073,218.40, 157,609,827.60 and 64,762,434.40

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Solution

The fourth proportional to 105,073,218.40, 157,609,827.60 and 64,762,434.40 is: 97,143,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,073,218.40 : 157,609,827.60 = 64,762,434.40 : x
  2. Step 2: Convert to fraction form
    105,073,218.40/157,609,827.60 = 64,762,434.40/x
  3. Step 3: Cross multiply
    105,073,218.40x = 157,609,827.60 × 64,762,434.40
  4. Step 4: Simplify right side
    105,073,218.40x = 10,207,196,120,740,308
  5. Step 5: Solve for x
    x = 10,207,196,120,740,308/105,073,218.40
  6. Step 6: Final answer
    x = 97,143,651.60

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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.