Home / 93,478,240-128,997,594.66-52,225,442.20

Finding the Fourth Proportional to 93,478,240, 128,997,594.66 and 52,225,442.20

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Solution

The fourth proportional to 93,478,240, 128,997,594.66 and 52,225,442.20 is: 72,069,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,478,240 : 128,997,594.66 = 52,225,442.20 : x
  2. Step 2: Convert to fraction form
    93,478,240/128,997,594.66 = 52,225,442.20/x
  3. Step 3: Cross multiply
    93,478,240x = 128,997,594.66 × 52,225,442.20
  4. Step 4: Simplify right side
    93,478,240x = 6,736,956,423,854,859
  5. Step 5: Solve for x
    x = 6,736,956,423,854,859/93,478,240
  6. Step 6: Final answer
    x = 72,069,782.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.