Home / 153,937,931.44-212,434,393.08-84,325,818.64

Finding the Fourth Proportional to 153,937,931.44, 212,434,393.08 and 84,325,818.64

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Solution

The fourth proportional to 153,937,931.44, 212,434,393.08 and 84,325,818.64 is: 116,369,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,937,931.44 : 212,434,393.08 = 84,325,818.64 : x
  2. Step 2: Convert to fraction form
    153,937,931.44/212,434,393.08 = 84,325,818.64/x
  3. Step 3: Cross multiply
    153,937,931.44x = 212,434,393.08 × 84,325,818.64
  4. Step 4: Simplify right side
    153,937,931.44x = 17,913,704,103,762,552
  5. Step 5: Solve for x
    x = 17,913,704,103,762,552/153,937,931.44
  6. Step 6: Final answer
    x = 116,369,655.85

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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.