Home / 113,513,393.12-156,648,476.51-61,302,423.75

Finding the Fourth Proportional to 113,513,393.12, 156,648,476.51 and 61,302,423.75

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Solution

The fourth proportional to 113,513,393.12, 156,648,476.51 and 61,302,423.75 is: 84,597,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513,393.12 : 156,648,476.51 = 61,302,423.75 : x
  2. Step 2: Convert to fraction form
    113,513,393.12/156,648,476.51 = 61,302,423.75/x
  3. Step 3: Cross multiply
    113,513,393.12x = 156,648,476.51 × 61,302,423.75
  4. Step 4: Simplify right side
    113,513,393.12x = 9,602,931,286,501,428
  5. Step 5: Solve for x
    x = 9,602,931,286,501,428/113,513,393.12
  6. Step 6: Final answer
    x = 84,597,341.54

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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.