Home / 90,838,467.60-136,095,316.65-55,281,128.10

Finding the Fourth Proportional to 90,838,467.60, 136,095,316.65 and 55,281,128.10

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Solution

The fourth proportional to 90,838,467.60, 136,095,316.65 and 55,281,128.10 is: 82,822,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,838,467.60 : 136,095,316.65 = 55,281,128.10 : x
  2. Step 2: Convert to fraction form
    90,838,467.60/136,095,316.65 = 55,281,128.10/x
  3. Step 3: Cross multiply
    90,838,467.60x = 136,095,316.65 × 55,281,128.10
  4. Step 4: Simplify right side
    90,838,467.60x = 7,523,502,633,538,713
  5. Step 5: Solve for x
    x = 7,523,502,633,538,713/90,838,467.60
  6. Step 6: Final answer
    x = 82,822,870.45

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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.