Home / 113,509,647.48-156,643,311.96-61,298,681.64

Finding the Fourth Proportional to 113,509,647.48, 156,643,311.96 and 61,298,681.64

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Solution

The fourth proportional to 113,509,647.48, 156,643,311.96 and 61,298,681.64 is: 84,592,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,647.48 : 156,643,311.96 = 61,298,681.64 : x
  2. Step 2: Convert to fraction form
    113,509,647.48/156,643,311.96 = 61,298,681.64/x
  3. Step 3: Cross multiply
    113,509,647.48x = 156,643,311.96 × 61,298,681.64
  4. Step 4: Simplify right side
    113,509,647.48x = 9,602,028,510,871,246
  5. Step 5: Solve for x
    x = 9,602,028,510,871,246/113,509,647.48
  6. Step 6: Final answer
    x = 84,592,179.82

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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.