Home / 191,556,043.20-287,334,064.80-180,974,462.40

Finding the Fourth Proportional to 191,556,043.20, 287,334,064.80 and 180,974,462.40

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Solution

The fourth proportional to 191,556,043.20, 287,334,064.80 and 180,974,462.40 is: 271,461,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,556,043.20 : 287,334,064.80 = 180,974,462.40 : x
  2. Step 2: Convert to fraction form
    191,556,043.20/287,334,064.80 = 180,974,462.40/x
  3. Step 3: Cross multiply
    191,556,043.20x = 287,334,064.80 × 180,974,462.40
  4. Step 4: Simplify right side
    191,556,043.20x = 52,000,127,906,386,768
  5. Step 5: Solve for x
    x = 52,000,127,906,386,768/191,556,043.20
  6. Step 6: Final answer
    x = 271,461,693.60

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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.