Home / 128,736,000.90-193,104,001.35-37,868,775.30

Finding the Fourth Proportional to 128,736,000.90, 193,104,001.35 and 37,868,775.30

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Solution

The fourth proportional to 128,736,000.90, 193,104,001.35 and 37,868,775.30 is: 56,803,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,736,000.90 : 193,104,001.35 = 37,868,775.30 : x
  2. Step 2: Convert to fraction form
    128,736,000.90/193,104,001.35 = 37,868,775.30/x
  3. Step 3: Cross multiply
    128,736,000.90x = 193,104,001.35 × 37,868,775.30
  4. Step 4: Simplify right side
    128,736,000.90x = 7,312,612,036,654,046
  5. Step 5: Solve for x
    x = 7,312,612,036,654,046/128,736,000.90
  6. Step 6: Final answer
    x = 56,803,162.95

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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.