Home / 70,893,437.40-106,127,579.70-42,124,764.60

Finding the Fourth Proportional to 70,893,437.40, 106,127,579.70 and 42,124,764.60

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Solution

The fourth proportional to 70,893,437.40, 106,127,579.70 and 42,124,764.60 is: 63,060,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893,437.40 : 106,127,579.70 = 42,124,764.60 : x
  2. Step 2: Convert to fraction form
    70,893,437.40/106,127,579.70 = 42,124,764.60/x
  3. Step 3: Cross multiply
    70,893,437.40x = 106,127,579.70 × 42,124,764.60
  4. Step 4: Simplify right side
    70,893,437.40x = 4,470,599,312,430,239
  5. Step 5: Solve for x
    x = 4,470,599,312,430,239/70,893,437.40
  6. Step 6: Final answer
    x = 63,060,834.35

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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.