Home / 113,513,400.10-156,648,486.18-61,302,430.72

Finding the Fourth Proportional to 113,513,400.10, 156,648,486.18 and 61,302,430.72

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Solution

The fourth proportional to 113,513,400.10, 156,648,486.18 and 61,302,430.72 is: 84,597,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513,400.10 : 156,648,486.18 = 61,302,430.72 : x
  2. Step 2: Convert to fraction form
    113,513,400.10/156,648,486.18 = 61,302,430.72/x
  3. Step 3: Cross multiply
    113,513,400.10x = 156,648,486.18 × 61,302,430.72
  4. Step 4: Simplify right side
    113,513,400.10x = 9,602,932,971,442,328
  5. Step 5: Solve for x
    x = 9,602,932,971,442,328/113,513,400.10
  6. Step 6: Final answer
    x = 84,597,351.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.