Home / 70,656,865.60-105,985,298.40-58,712,929.60

Finding the Fourth Proportional to 70,656,865.60, 105,985,298.40 and 58,712,929.60

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Solution

The fourth proportional to 70,656,865.60, 105,985,298.40 and 58,712,929.60 is: 88,069,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,865.60 : 105,985,298.40 = 58,712,929.60 : x
  2. Step 2: Convert to fraction form
    70,656,865.60/105,985,298.40 = 58,712,929.60/x
  3. Step 3: Cross multiply
    70,656,865.60x = 105,985,298.40 × 58,712,929.60
  4. Step 4: Simplify right side
    70,656,865.60x = 6,222,707,363,594,193
  5. Step 5: Solve for x
    x = 6,222,707,363,594,193/70,656,865.60
  6. Step 6: Final answer
    x = 88,069,394.40

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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.