Home / 93,312,303.70-139,968,455.55-47,878,690.90

Finding the Fourth Proportional to 93,312,303.70, 139,968,455.55 and 47,878,690.90

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Solution

The fourth proportional to 93,312,303.70, 139,968,455.55 and 47,878,690.90 is: 71,818,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,303.70 : 139,968,455.55 = 47,878,690.90 : x
  2. Step 2: Convert to fraction form
    93,312,303.70/139,968,455.55 = 47,878,690.90/x
  3. Step 3: Cross multiply
    93,312,303.70x = 139,968,455.55 × 47,878,690.90
  4. Step 4: Simplify right side
    93,312,303.70x = 6,701,506,419,028,840
  5. Step 5: Solve for x
    x = 6,701,506,419,028,840/93,312,303.70
  6. Step 6: Final answer
    x = 71,818,036.35

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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.