Home / 156,779,420.64-235,153,935.10-47,605,551.36

Finding the Fourth Proportional to 156,779,420.64, 235,153,935.10 and 47,605,551.36

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Solution

The fourth proportional to 156,779,420.64, 235,153,935.10 and 47,605,551.36 is: 71,403,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,420.64 : 235,153,935.10 = 47,605,551.36 : x
  2. Step 2: Convert to fraction form
    156,779,420.64/235,153,935.10 = 47,605,551.36/x
  3. Step 3: Cross multiply
    156,779,420.64x = 235,153,935.10 × 47,605,551.36
  4. Step 4: Simplify right side
    156,779,420.64x = 11,194,632,734,909,156
  5. Step 5: Solve for x
    x = 11,194,632,734,909,156/156,779,420.64
  6. Step 6: Final answer
    x = 71,403,712.87

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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.