Home / 120,341,026,510.78-166,068,382,444.30-66,146,416,586.44

Finding the Fourth Proportional to 120,341,026,510.78, 166,068,382,444.30 and 66,146,416,586.44

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Solution

The fourth proportional to 120,341,026,510.78, 166,068,382,444.30 and 66,146,416,586.44 is: 91,280,826,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,341,026,510.78 : 166,068,382,444.30 = 66,146,416,586.44 : x
  2. Step 2: Convert to fraction form
    120,341,026,510.78/166,068,382,444.30 = 66,146,416,586.44/x
  3. Step 3: Cross multiply
    120,341,026,510.78x = 166,068,382,444.30 × 66,146,416,586.44
  4. Step 4: Simplify right side
    120,341,026,510.78x = 10,984,828,406,996,905,492,480
  5. Step 5: Solve for x
    x = 10,984,828,406,996,905,492,480/120,341,026,510.78
  6. Step 6: Final answer
    x = 91,280,826,875.89

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1.5x scale

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.