Home / 56,985,125,439.30-85,477,688,158.95-47,842,639,628.10

Finding the Fourth Proportional to 56,985,125,439.30, 85,477,688,158.95 and 47,842,639,628.10

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Solution

The fourth proportional to 56,985,125,439.30, 85,477,688,158.95 and 47,842,639,628.10 is: 71,763,959,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985,125,439.30 : 85,477,688,158.95 = 47,842,639,628.10 : x
  2. Step 2: Convert to fraction form
    56,985,125,439.30/85,477,688,158.95 = 47,842,639,628.10/x
  3. Step 3: Cross multiply
    56,985,125,439.30x = 85,477,688,158.95 × 47,842,639,628.10
  4. Step 4: Simplify right side
    56,985,125,439.30x = 4,089,478,230,831,754,903,552
  5. Step 5: Solve for x
    x = 4,089,478,230,831,754,903,552/56,985,125,439.30
  6. Step 6: Final answer
    x = 71,763,959,442.15

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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.