Home / 70,516,002.40-105,774,003.60-61,558,050.40

Finding the Fourth Proportional to 70,516,002.40, 105,774,003.60 and 61,558,050.40

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Solution

The fourth proportional to 70,516,002.40, 105,774,003.60 and 61,558,050.40 is: 92,337,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516,002.40 : 105,774,003.60 = 61,558,050.40 : x
  2. Step 2: Convert to fraction form
    70,516,002.40/105,774,003.60 = 61,558,050.40/x
  3. Step 3: Cross multiply
    70,516,002.40x = 105,774,003.60 × 61,558,050.40
  4. Step 4: Simplify right side
    70,516,002.40x = 6,511,241,444,618,581
  5. Step 5: Solve for x
    x = 6,511,241,444,618,581/70,516,002.40
  6. Step 6: Final answer
    x = 92,337,075.60

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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.